diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/Elbv2TestDefaultTestDeployAssert82DC2DEA.assets.json b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/Elbv2TestDefaultTestDeployAssert82DC2DEA.assets.json
index afcae57e1590a..fb3d8d3707def 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/Elbv2TestDefaultTestDeployAssert82DC2DEA.assets.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/Elbv2TestDefaultTestDeployAssert82DC2DEA.assets.json
@@ -1,5 +1,5 @@
 {
-  "version": "21.0.0",
+  "version": "36.0.0",
   "files": {
     "21fbb51d7b23f6a6c262b46a9caee79d744a3ac019fd45422d988b96d44b2a22": {
       "source": {
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.assets.json b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.assets.json
index e393be50ae5b4..61e205aa8a505 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.assets.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.assets.json
@@ -1,7 +1,7 @@
 {
-  "version": "21.0.0",
+  "version": "36.0.0",
   "files": {
-    "e0013d77550f4ad9d409277deba48d88a38a35f26ba1e36af47e988d8d2fc164": {
+    "94c6c20cc1d7906c1b2328a47826a615c5175c928769994769ea4f60c79f394c": {
       "source": {
         "path": "aws-cdk-elbv2-integ.template.json",
         "packaging": "file"
@@ -9,7 +9,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "e0013d77550f4ad9d409277deba48d88a38a35f26ba1e36af47e988d8d2fc164.json",
+          "objectKey": "94c6c20cc1d7906c1b2328a47826a615c5175c928769994769ea4f60c79f394c.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.template.json b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.template.json
index 3d39dc0ca2332..4c5482a79d6f9 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.template.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/aws-cdk-elbv2-integ.template.json
@@ -18,9 +18,6 @@
   "VPCPublicSubnet1SubnetB4246D30": {
    "Type": "AWS::EC2::Subnet",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "AvailabilityZone": {
      "Fn::Select": [
       0,
@@ -44,21 +41,24 @@
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PublicSubnet1"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPublicSubnet1RouteTableFEE4B781": {
    "Type": "AWS::EC2::RouteTable",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "Tags": [
      {
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PublicSubnet1"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPublicSubnet1RouteTableAssociation0B0896DC": {
@@ -75,12 +75,12 @@
   "VPCPublicSubnet1DefaultRoute91CEF279": {
    "Type": "AWS::EC2::Route",
    "Properties": {
-    "RouteTableId": {
-     "Ref": "VPCPublicSubnet1RouteTableFEE4B781"
-    },
     "DestinationCidrBlock": "0.0.0.0/0",
     "GatewayId": {
      "Ref": "VPCIGWB7E252D3"
+    },
+    "RouteTableId": {
+     "Ref": "VPCPublicSubnet1RouteTableFEE4B781"
     }
    },
    "DependsOn": [
@@ -102,15 +102,15 @@
   "VPCPublicSubnet1NATGatewayE0556630": {
    "Type": "AWS::EC2::NatGateway",
    "Properties": {
-    "SubnetId": {
-     "Ref": "VPCPublicSubnet1SubnetB4246D30"
-    },
     "AllocationId": {
      "Fn::GetAtt": [
       "VPCPublicSubnet1EIP6AD938E8",
       "AllocationId"
      ]
     },
+    "SubnetId": {
+     "Ref": "VPCPublicSubnet1SubnetB4246D30"
+    },
     "Tags": [
      {
       "Key": "Name",
@@ -126,9 +126,6 @@
   "VPCPublicSubnet2Subnet74179F39": {
    "Type": "AWS::EC2::Subnet",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "AvailabilityZone": {
      "Fn::Select": [
       1,
@@ -152,21 +149,24 @@
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PublicSubnet2"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPublicSubnet2RouteTable6F1A15F1": {
    "Type": "AWS::EC2::RouteTable",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "Tags": [
      {
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PublicSubnet2"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPublicSubnet2RouteTableAssociation5A808732": {
@@ -183,12 +183,12 @@
   "VPCPublicSubnet2DefaultRouteB7481BBA": {
    "Type": "AWS::EC2::Route",
    "Properties": {
-    "RouteTableId": {
-     "Ref": "VPCPublicSubnet2RouteTable6F1A15F1"
-    },
     "DestinationCidrBlock": "0.0.0.0/0",
     "GatewayId": {
      "Ref": "VPCIGWB7E252D3"
+    },
+    "RouteTableId": {
+     "Ref": "VPCPublicSubnet2RouteTable6F1A15F1"
     }
    },
    "DependsOn": [
@@ -210,15 +210,15 @@
   "VPCPublicSubnet2NATGateway3C070193": {
    "Type": "AWS::EC2::NatGateway",
    "Properties": {
-    "SubnetId": {
-     "Ref": "VPCPublicSubnet2Subnet74179F39"
-    },
     "AllocationId": {
      "Fn::GetAtt": [
       "VPCPublicSubnet2EIP4947BC00",
       "AllocationId"
      ]
     },
+    "SubnetId": {
+     "Ref": "VPCPublicSubnet2Subnet74179F39"
+    },
     "Tags": [
      {
       "Key": "Name",
@@ -234,9 +234,6 @@
   "VPCPrivateSubnet1Subnet8BCA10E0": {
    "Type": "AWS::EC2::Subnet",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "AvailabilityZone": {
      "Fn::Select": [
       0,
@@ -260,21 +257,24 @@
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet1"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPrivateSubnet1RouteTableBE8A6027": {
    "Type": "AWS::EC2::RouteTable",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "Tags": [
      {
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet1"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPrivateSubnet1RouteTableAssociation347902D1": {
@@ -291,21 +291,18 @@
   "VPCPrivateSubnet1DefaultRouteAE1D6490": {
    "Type": "AWS::EC2::Route",
    "Properties": {
-    "RouteTableId": {
-     "Ref": "VPCPrivateSubnet1RouteTableBE8A6027"
-    },
     "DestinationCidrBlock": "0.0.0.0/0",
     "NatGatewayId": {
      "Ref": "VPCPublicSubnet1NATGatewayE0556630"
+    },
+    "RouteTableId": {
+     "Ref": "VPCPrivateSubnet1RouteTableBE8A6027"
     }
    }
   },
   "VPCPrivateSubnet2SubnetCFCDAA7A": {
    "Type": "AWS::EC2::Subnet",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "AvailabilityZone": {
      "Fn::Select": [
       1,
@@ -329,21 +326,24 @@
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet2"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPrivateSubnet2RouteTable0A19E10E": {
    "Type": "AWS::EC2::RouteTable",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "Tags": [
      {
       "Key": "Name",
       "Value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet2"
      }
-    ]
+    ],
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
+    }
    }
   },
   "VPCPrivateSubnet2RouteTableAssociation0C73D413": {
@@ -360,12 +360,12 @@
   "VPCPrivateSubnet2DefaultRouteF4F5CFD2": {
    "Type": "AWS::EC2::Route",
    "Properties": {
-    "RouteTableId": {
-     "Ref": "VPCPrivateSubnet2RouteTable0A19E10E"
-    },
     "DestinationCidrBlock": "0.0.0.0/0",
     "NatGatewayId": {
      "Ref": "VPCPublicSubnet2NATGateway3C070193"
+    },
+    "RouteTableId": {
+     "Ref": "VPCPrivateSubnet2RouteTable0A19E10E"
     }
    }
   },
@@ -383,11 +383,11 @@
   "VPCVPCGW99B986DC": {
    "Type": "AWS::EC2::VPCGatewayAttachment",
    "Properties": {
-    "VpcId": {
-     "Ref": "VPCB9E5F0B4"
-    },
     "InternetGatewayId": {
      "Ref": "VPCIGWB7E252D3"
+    },
+    "VpcId": {
+     "Ref": "VPCB9E5F0B4"
     }
    }
   },
@@ -414,6 +414,10 @@
      {
       "Key": "routing.http.desync_mitigation_mode",
       "Value": "defensive"
+     },
+     {
+      "Key": "client_keep_alive.seconds",
+      "Value": "1000"
      }
     ],
     "Scheme": "internet-facing",
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/cdk.out b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/cdk.out
index 8ecc185e9dbee..1f0068d32659a 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/cdk.out
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/cdk.out
@@ -1 +1 @@
-{"version":"21.0.0"}
\ No newline at end of file
+{"version":"36.0.0"}
\ No newline at end of file
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/integ.json b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/integ.json
index 2e5f6f902fb7a..bf47e732763e6 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/integ.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/integ.json
@@ -1,5 +1,5 @@
 {
-  "version": "21.0.0",
+  "version": "36.0.0",
   "testCases": {
     "Elbv2Test/DefaultTest": {
       "stacks": [
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/manifest.json b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/manifest.json
index 8ad4568cd3e6c..cdb4b77174ab6 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/manifest.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/manifest.json
@@ -1,12 +1,6 @@
 {
-  "version": "21.0.0",
+  "version": "36.0.0",
   "artifacts": {
-    "Tree": {
-      "type": "cdk:tree",
-      "properties": {
-        "file": "tree.json"
-      }
-    },
     "aws-cdk-elbv2-integ.assets": {
       "type": "cdk:asset-manifest",
       "properties": {
@@ -20,10 +14,11 @@
       "environment": "aws://unknown-account/unknown-region",
       "properties": {
         "templateFile": "aws-cdk-elbv2-integ.template.json",
+        "terminationProtection": false,
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/e0013d77550f4ad9d409277deba48d88a38a35f26ba1e36af47e988d8d2fc164.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/94c6c20cc1d7906c1b2328a47826a615c5175c928769994769ea4f60c79f394c.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
@@ -241,6 +236,7 @@
       "environment": "aws://unknown-account/unknown-region",
       "properties": {
         "templateFile": "Elbv2TestDefaultTestDeployAssert82DC2DEA.template.json",
+        "terminationProtection": false,
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
@@ -274,6 +270,12 @@
         ]
       },
       "displayName": "Elbv2Test/DefaultTest/DeployAssert"
+    },
+    "Tree": {
+      "type": "cdk:tree",
+      "properties": {
+        "file": "tree.json"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/tree.json b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/tree.json
index 2a008316a3bab..bb57d65671ade 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/tree.json
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.js.snapshot/tree.json
@@ -4,14 +4,6 @@
     "id": "App",
     "path": "",
     "children": {
-      "Tree": {
-        "id": "Tree",
-        "path": "Tree",
-        "constructInfo": {
-          "fqn": "constructs.Construct",
-          "version": "10.1.140"
-        }
-      },
       "aws-cdk-elbv2-integ": {
         "id": "aws-cdk-elbv2-integ",
         "path": "aws-cdk-elbv2-integ",
@@ -39,7 +31,7 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.CfnVPC",
+                  "fqn": "aws-cdk-lib.aws_ec2.CfnVPC",
                   "version": "0.0.0"
                 }
               },
@@ -53,9 +45,6 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Subnet",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "availabilityZone": {
                           "Fn::Select": [
                             0,
@@ -79,11 +68,14 @@
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PublicSubnet1"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnet",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnet",
                       "version": "0.0.0"
                     }
                   },
@@ -91,7 +83,7 @@
                     "id": "Acl",
                     "path": "aws-cdk-elbv2-integ/VPC/PublicSubnet1/Acl",
                     "constructInfo": {
-                      "fqn": "@aws-cdk/core.Resource",
+                      "fqn": "aws-cdk-lib.Resource",
                       "version": "0.0.0"
                     }
                   },
@@ -101,19 +93,19 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::RouteTable",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "tags": [
                           {
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PublicSubnet1"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRouteTable",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRouteTable",
                       "version": "0.0.0"
                     }
                   },
@@ -132,7 +124,7 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnetRouteTableAssociation",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnetRouteTableAssociation",
                       "version": "0.0.0"
                     }
                   },
@@ -142,17 +134,17 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Route",
                       "aws:cdk:cloudformation:props": {
-                        "routeTableId": {
-                          "Ref": "VPCPublicSubnet1RouteTableFEE4B781"
-                        },
                         "destinationCidrBlock": "0.0.0.0/0",
                         "gatewayId": {
                           "Ref": "VPCIGWB7E252D3"
+                        },
+                        "routeTableId": {
+                          "Ref": "VPCPublicSubnet1RouteTableFEE4B781"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRoute",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRoute",
                       "version": "0.0.0"
                     }
                   },
@@ -172,7 +164,7 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnEIP",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnEIP",
                       "version": "0.0.0"
                     }
                   },
@@ -182,15 +174,15 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::NatGateway",
                       "aws:cdk:cloudformation:props": {
-                        "subnetId": {
-                          "Ref": "VPCPublicSubnet1SubnetB4246D30"
-                        },
                         "allocationId": {
                           "Fn::GetAtt": [
                             "VPCPublicSubnet1EIP6AD938E8",
                             "AllocationId"
                           ]
                         },
+                        "subnetId": {
+                          "Ref": "VPCPublicSubnet1SubnetB4246D30"
+                        },
                         "tags": [
                           {
                             "key": "Name",
@@ -200,13 +192,13 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnNatGateway",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnNatGateway",
                       "version": "0.0.0"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.PublicSubnet",
+                  "fqn": "aws-cdk-lib.aws_ec2.PublicSubnet",
                   "version": "0.0.0"
                 }
               },
@@ -220,9 +212,6 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Subnet",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "availabilityZone": {
                           "Fn::Select": [
                             1,
@@ -246,11 +235,14 @@
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PublicSubnet2"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnet",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnet",
                       "version": "0.0.0"
                     }
                   },
@@ -258,7 +250,7 @@
                     "id": "Acl",
                     "path": "aws-cdk-elbv2-integ/VPC/PublicSubnet2/Acl",
                     "constructInfo": {
-                      "fqn": "@aws-cdk/core.Resource",
+                      "fqn": "aws-cdk-lib.Resource",
                       "version": "0.0.0"
                     }
                   },
@@ -268,19 +260,19 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::RouteTable",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "tags": [
                           {
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PublicSubnet2"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRouteTable",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRouteTable",
                       "version": "0.0.0"
                     }
                   },
@@ -299,7 +291,7 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnetRouteTableAssociation",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnetRouteTableAssociation",
                       "version": "0.0.0"
                     }
                   },
@@ -309,17 +301,17 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Route",
                       "aws:cdk:cloudformation:props": {
-                        "routeTableId": {
-                          "Ref": "VPCPublicSubnet2RouteTable6F1A15F1"
-                        },
                         "destinationCidrBlock": "0.0.0.0/0",
                         "gatewayId": {
                           "Ref": "VPCIGWB7E252D3"
+                        },
+                        "routeTableId": {
+                          "Ref": "VPCPublicSubnet2RouteTable6F1A15F1"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRoute",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRoute",
                       "version": "0.0.0"
                     }
                   },
@@ -339,7 +331,7 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnEIP",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnEIP",
                       "version": "0.0.0"
                     }
                   },
@@ -349,15 +341,15 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::NatGateway",
                       "aws:cdk:cloudformation:props": {
-                        "subnetId": {
-                          "Ref": "VPCPublicSubnet2Subnet74179F39"
-                        },
                         "allocationId": {
                           "Fn::GetAtt": [
                             "VPCPublicSubnet2EIP4947BC00",
                             "AllocationId"
                           ]
                         },
+                        "subnetId": {
+                          "Ref": "VPCPublicSubnet2Subnet74179F39"
+                        },
                         "tags": [
                           {
                             "key": "Name",
@@ -367,13 +359,13 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnNatGateway",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnNatGateway",
                       "version": "0.0.0"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.PublicSubnet",
+                  "fqn": "aws-cdk-lib.aws_ec2.PublicSubnet",
                   "version": "0.0.0"
                 }
               },
@@ -387,9 +379,6 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Subnet",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "availabilityZone": {
                           "Fn::Select": [
                             0,
@@ -413,11 +402,14 @@
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet1"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnet",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnet",
                       "version": "0.0.0"
                     }
                   },
@@ -425,7 +417,7 @@
                     "id": "Acl",
                     "path": "aws-cdk-elbv2-integ/VPC/PrivateSubnet1/Acl",
                     "constructInfo": {
-                      "fqn": "@aws-cdk/core.Resource",
+                      "fqn": "aws-cdk-lib.Resource",
                       "version": "0.0.0"
                     }
                   },
@@ -435,19 +427,19 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::RouteTable",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "tags": [
                           {
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet1"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRouteTable",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRouteTable",
                       "version": "0.0.0"
                     }
                   },
@@ -466,7 +458,7 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnetRouteTableAssociation",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnetRouteTableAssociation",
                       "version": "0.0.0"
                     }
                   },
@@ -476,23 +468,23 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Route",
                       "aws:cdk:cloudformation:props": {
-                        "routeTableId": {
-                          "Ref": "VPCPrivateSubnet1RouteTableBE8A6027"
-                        },
                         "destinationCidrBlock": "0.0.0.0/0",
                         "natGatewayId": {
                           "Ref": "VPCPublicSubnet1NATGatewayE0556630"
+                        },
+                        "routeTableId": {
+                          "Ref": "VPCPrivateSubnet1RouteTableBE8A6027"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRoute",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRoute",
                       "version": "0.0.0"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.PrivateSubnet",
+                  "fqn": "aws-cdk-lib.aws_ec2.PrivateSubnet",
                   "version": "0.0.0"
                 }
               },
@@ -506,9 +498,6 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Subnet",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "availabilityZone": {
                           "Fn::Select": [
                             1,
@@ -532,11 +521,14 @@
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet2"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnet",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnet",
                       "version": "0.0.0"
                     }
                   },
@@ -544,7 +536,7 @@
                     "id": "Acl",
                     "path": "aws-cdk-elbv2-integ/VPC/PrivateSubnet2/Acl",
                     "constructInfo": {
-                      "fqn": "@aws-cdk/core.Resource",
+                      "fqn": "aws-cdk-lib.Resource",
                       "version": "0.0.0"
                     }
                   },
@@ -554,19 +546,19 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::RouteTable",
                       "aws:cdk:cloudformation:props": {
-                        "vpcId": {
-                          "Ref": "VPCB9E5F0B4"
-                        },
                         "tags": [
                           {
                             "key": "Name",
                             "value": "aws-cdk-elbv2-integ/VPC/PrivateSubnet2"
                           }
-                        ]
+                        ],
+                        "vpcId": {
+                          "Ref": "VPCB9E5F0B4"
+                        }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRouteTable",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRouteTable",
                       "version": "0.0.0"
                     }
                   },
@@ -585,7 +577,7 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSubnetRouteTableAssociation",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSubnetRouteTableAssociation",
                       "version": "0.0.0"
                     }
                   },
@@ -595,23 +587,23 @@
                     "attributes": {
                       "aws:cdk:cloudformation:type": "AWS::EC2::Route",
                       "aws:cdk:cloudformation:props": {
-                        "routeTableId": {
-                          "Ref": "VPCPrivateSubnet2RouteTable0A19E10E"
-                        },
                         "destinationCidrBlock": "0.0.0.0/0",
                         "natGatewayId": {
                           "Ref": "VPCPublicSubnet2NATGateway3C070193"
+                        },
+                        "routeTableId": {
+                          "Ref": "VPCPrivateSubnet2RouteTable0A19E10E"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnRoute",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnRoute",
                       "version": "0.0.0"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.PrivateSubnet",
+                  "fqn": "aws-cdk-lib.aws_ec2.PrivateSubnet",
                   "version": "0.0.0"
                 }
               },
@@ -630,7 +622,7 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.CfnInternetGateway",
+                  "fqn": "aws-cdk-lib.aws_ec2.CfnInternetGateway",
                   "version": "0.0.0"
                 }
               },
@@ -640,22 +632,22 @@
                 "attributes": {
                   "aws:cdk:cloudformation:type": "AWS::EC2::VPCGatewayAttachment",
                   "aws:cdk:cloudformation:props": {
-                    "vpcId": {
-                      "Ref": "VPCB9E5F0B4"
-                    },
                     "internetGatewayId": {
                       "Ref": "VPCIGWB7E252D3"
+                    },
+                    "vpcId": {
+                      "Ref": "VPCB9E5F0B4"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.CfnVPCGatewayAttachment",
+                  "fqn": "aws-cdk-lib.aws_ec2.CfnVPCGatewayAttachment",
                   "version": "0.0.0"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-ec2.Vpc",
+              "fqn": "aws-cdk-lib.aws_ec2.Vpc",
               "version": "0.0.0"
             }
           },
@@ -689,6 +681,10 @@
                       {
                         "key": "routing.http.desync_mitigation_mode",
                         "value": "defensive"
+                      },
+                      {
+                        "key": "client_keep_alive.seconds",
+                        "value": "1000"
                       }
                     ],
                     "scheme": "internet-facing",
@@ -712,7 +708,7 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-elasticloadbalancingv2.CfnLoadBalancer",
+                  "fqn": "aws-cdk-lib.aws_elasticloadbalancingv2.CfnLoadBalancer",
                   "version": "0.0.0"
                 }
               },
@@ -742,19 +738,19 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSecurityGroup",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSecurityGroup",
                       "version": "0.0.0"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.SecurityGroup",
+                  "fqn": "aws-cdk-lib.aws_ec2.SecurityGroup",
                   "version": "0.0.0"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-elasticloadbalancingv2.ApplicationLoadBalancer",
+              "fqn": "aws-cdk-lib.aws_elasticloadbalancingv2.ApplicationLoadBalancer",
               "version": "0.0.0"
             }
           },
@@ -799,7 +795,7 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-elasticloadbalancingv2.CfnLoadBalancer",
+                  "fqn": "aws-cdk-lib.aws_elasticloadbalancingv2.CfnLoadBalancer",
                   "version": "0.0.0"
                 }
               },
@@ -829,19 +825,19 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSecurityGroup",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSecurityGroup",
                       "version": "0.0.0"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.SecurityGroup",
+                  "fqn": "aws-cdk-lib.aws_ec2.SecurityGroup",
                   "version": "0.0.0"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-elasticloadbalancingv2.ApplicationLoadBalancer",
+              "fqn": "aws-cdk-lib.aws_elasticloadbalancingv2.ApplicationLoadBalancer",
               "version": "0.0.0"
             }
           },
@@ -886,7 +882,7 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-elasticloadbalancingv2.CfnLoadBalancer",
+                  "fqn": "aws-cdk-lib.aws_elasticloadbalancingv2.CfnLoadBalancer",
                   "version": "0.0.0"
                 }
               },
@@ -916,25 +912,41 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "@aws-cdk/aws-ec2.CfnSecurityGroup",
+                      "fqn": "aws-cdk-lib.aws_ec2.CfnSecurityGroup",
                       "version": "0.0.0"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/aws-ec2.SecurityGroup",
+                  "fqn": "aws-cdk-lib.aws_ec2.SecurityGroup",
                   "version": "0.0.0"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-elasticloadbalancingv2.ApplicationLoadBalancer",
+              "fqn": "aws-cdk-lib.aws_elasticloadbalancingv2.ApplicationLoadBalancer",
+              "version": "0.0.0"
+            }
+          },
+          "BootstrapVersion": {
+            "id": "BootstrapVersion",
+            "path": "aws-cdk-elbv2-integ/BootstrapVersion",
+            "constructInfo": {
+              "fqn": "aws-cdk-lib.CfnParameter",
+              "version": "0.0.0"
+            }
+          },
+          "CheckBootstrapVersion": {
+            "id": "CheckBootstrapVersion",
+            "path": "aws-cdk-elbv2-integ/CheckBootstrapVersion",
+            "constructInfo": {
+              "fqn": "aws-cdk-lib.CfnRule",
               "version": "0.0.0"
             }
           }
         },
         "constructInfo": {
-          "fqn": "@aws-cdk/core.Stack",
+          "fqn": "aws-cdk-lib.Stack",
           "version": "0.0.0"
         }
       },
@@ -951,32 +963,58 @@
                 "path": "Elbv2Test/DefaultTest/Default",
                 "constructInfo": {
                   "fqn": "constructs.Construct",
-                  "version": "10.1.140"
+                  "version": "10.3.0"
                 }
               },
               "DeployAssert": {
                 "id": "DeployAssert",
                 "path": "Elbv2Test/DefaultTest/DeployAssert",
+                "children": {
+                  "BootstrapVersion": {
+                    "id": "BootstrapVersion",
+                    "path": "Elbv2Test/DefaultTest/DeployAssert/BootstrapVersion",
+                    "constructInfo": {
+                      "fqn": "aws-cdk-lib.CfnParameter",
+                      "version": "0.0.0"
+                    }
+                  },
+                  "CheckBootstrapVersion": {
+                    "id": "CheckBootstrapVersion",
+                    "path": "Elbv2Test/DefaultTest/DeployAssert/CheckBootstrapVersion",
+                    "constructInfo": {
+                      "fqn": "aws-cdk-lib.CfnRule",
+                      "version": "0.0.0"
+                    }
+                  }
+                },
                 "constructInfo": {
-                  "fqn": "@aws-cdk/core.Stack",
+                  "fqn": "aws-cdk-lib.Stack",
                   "version": "0.0.0"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/integ-tests.IntegTestCase",
+              "fqn": "@aws-cdk/integ-tests-alpha.IntegTestCase",
               "version": "0.0.0"
             }
           }
         },
         "constructInfo": {
-          "fqn": "@aws-cdk/integ-tests.IntegTest",
+          "fqn": "@aws-cdk/integ-tests-alpha.IntegTest",
           "version": "0.0.0"
         }
+      },
+      "Tree": {
+        "id": "Tree",
+        "path": "Tree",
+        "constructInfo": {
+          "fqn": "constructs.Construct",
+          "version": "10.3.0"
+        }
       }
     },
     "constructInfo": {
-      "fqn": "@aws-cdk/core.App",
+      "fqn": "aws-cdk-lib.App",
       "version": "0.0.0"
     }
   }
diff --git a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.ts b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.ts
index 995be1ba79d10..cc6bdeb1e3683 100644
--- a/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.ts
+++ b/packages/@aws-cdk-testing/framework-integ/test/aws-elasticloadbalancingv2/test/integ.alb.attributes.ts
@@ -19,6 +19,7 @@ new elbv2.ApplicationLoadBalancer(stack, 'LB', {
   idleTimeout: cdk.Duration.seconds(1000),
   dropInvalidHeaderFields: true,
   desyncMitigationMode: elbv2.DesyncMitigationMode.DEFENSIVE,
+  clientKeepAlive: cdk.Duration.seconds(1000),
 });
 
 new elbv2.ApplicationLoadBalancer(stack, 'DesyncMitigationModeMonitor', {
diff --git a/packages/aws-cdk-lib/aws-elasticloadbalancingv2/README.md b/packages/aws-cdk-lib/aws-elasticloadbalancingv2/README.md
index 0b07dd06303f3..7d3494daedbe3 100644
--- a/packages/aws-cdk-lib/aws-elasticloadbalancingv2/README.md
+++ b/packages/aws-cdk-lib/aws-elasticloadbalancingv2/README.md
@@ -221,6 +221,9 @@ const lb = new elbv2.ApplicationLoadBalancer(this, 'LB', {
   // The type of IP addresses to use.
   ipAddressType: elbv2.IpAddressType.IPV4,
 
+  // The duration of client keep-alive connections
+  clientKeepAlive: Duration.seconds(500),
+
   // Whether cross-zone load balancing is enabled.
   crossZoneEnabled: true,
 
diff --git a/packages/aws-cdk-lib/aws-elasticloadbalancingv2/lib/alb/application-load-balancer.ts b/packages/aws-cdk-lib/aws-elasticloadbalancingv2/lib/alb/application-load-balancer.ts
index 4ddb300b9b92f..bb6f2cfbefb8d 100644
--- a/packages/aws-cdk-lib/aws-elasticloadbalancingv2/lib/alb/application-load-balancer.ts
+++ b/packages/aws-cdk-lib/aws-elasticloadbalancingv2/lib/alb/application-load-balancer.ts
@@ -58,6 +58,13 @@ export interface ApplicationLoadBalancerProps extends BaseLoadBalancerProps {
    * @default DesyncMitigationMode.DEFENSIVE
    */
   readonly desyncMitigationMode?: DesyncMitigationMode;
+
+  /**
+   * The client keep alive duration. The valid range is 60 to 604800 seconds (1 minute to 7 days).
+   *
+   * @default - Duration.seconds(3600)
+   */
+  readonly clientKeepAlive?: Duration;
 }
 
 /**
@@ -119,6 +126,18 @@ export class ApplicationLoadBalancer extends BaseLoadBalancer implements IApplic
     if (props.idleTimeout !== undefined) { this.setAttribute('idle_timeout.timeout_seconds', props.idleTimeout.toSeconds().toString()); }
     if (props.dropInvalidHeaderFields) {this.setAttribute('routing.http.drop_invalid_header_fields.enabled', 'true'); }
     if (props.desyncMitigationMode !== undefined) {this.setAttribute('routing.http.desync_mitigation_mode', props.desyncMitigationMode); }
+    if (props.clientKeepAlive !== undefined) {
+      const clientKeepAliveInMillis = props.clientKeepAlive.toMilliseconds();
+      if (clientKeepAliveInMillis < 1000) {
+        throw new Error(`\'clientKeepAlive\' must be between 60 and 604800 seconds. Got: ${clientKeepAliveInMillis} milliseconds`);
+      }
+
+      const clientKeepAliveInSeconds = props.clientKeepAlive.toSeconds();
+      if (clientKeepAliveInSeconds < 60 || clientKeepAliveInSeconds > 604800) {
+        throw new Error(`\'clientKeepAlive\' must be between 60 and 604800 seconds. Got: ${clientKeepAliveInSeconds} seconds`);
+      }
+      this.setAttribute('client_keep_alive.seconds', clientKeepAliveInSeconds.toString());
+    }
   }
 
   /**
diff --git a/packages/aws-cdk-lib/aws-elasticloadbalancingv2/test/alb/load-balancer.test.ts b/packages/aws-cdk-lib/aws-elasticloadbalancingv2/test/alb/load-balancer.test.ts
index 37be61542e517..0bc9f98a775c0 100644
--- a/packages/aws-cdk-lib/aws-elasticloadbalancingv2/test/alb/load-balancer.test.ts
+++ b/packages/aws-cdk-lib/aws-elasticloadbalancingv2/test/alb/load-balancer.test.ts
@@ -82,6 +82,7 @@ describe('tests', () => {
       http2Enabled: false,
       idleTimeout: cdk.Duration.seconds(1000),
       dropInvalidHeaderFields: true,
+      clientKeepAlive: cdk.Duration.seconds(200),
       denyAllIgwTraffic: true,
     });
 
@@ -108,10 +109,42 @@ describe('tests', () => {
           Key: 'routing.http.drop_invalid_header_fields.enabled',
           Value: 'true',
         },
+        {
+          Key: 'client_keep_alive.seconds',
+          Value: '200',
+        },
       ],
     });
   });
 
+  test.each([59, 604801])('throw error for invalid clientKeepAlive in seconds', (duration) => {
+    // GIVEN
+    const stack = new cdk.Stack();
+    const vpc = new ec2.Vpc(stack, 'Stack');
+
+    // THEN
+    expect(() => {
+      new elbv2.ApplicationLoadBalancer(stack, 'LB', {
+        vpc,
+        clientKeepAlive: cdk.Duration.seconds(duration),
+      });
+    }).toThrow(`\'clientKeepAlive\' must be between 60 and 604800 seconds. Got: ${duration} seconds`);
+  });
+
+  test('throw errer for invalid clientKeepAlive in milliseconds', () => {
+    // GIVEN
+    const stack = new cdk.Stack();
+    const vpc = new ec2.Vpc(stack, 'Stack');
+
+    // THEN
+    expect(() => {
+      new elbv2.ApplicationLoadBalancer(stack, 'LB', {
+        vpc,
+        clientKeepAlive: cdk.Duration.millis(100),
+      });
+    }).toThrow('\'clientKeepAlive\' must be between 60 and 604800 seconds. Got: 100 milliseconds');
+  });
+
   describe('Desync mitigation mode', () => {
     test('Defensive', () => {
       // GIVEN