diff --git a/clients/client-elastic-load-balancing-v2/src/commands/CreateListenerCommand.ts b/clients/client-elastic-load-balancing-v2/src/commands/CreateListenerCommand.ts
index d8ef22ce4074..31d51fea6bba 100644
--- a/clients/client-elastic-load-balancing-v2/src/commands/CreateListenerCommand.ts
+++ b/clients/client-elastic-load-balancing-v2/src/commands/CreateListenerCommand.ts
@@ -148,6 +148,7 @@ export interface CreateListenerCommandOutput extends CreateListenerOutput, __Met
  *     TrustStoreArn: "STRING_VALUE",
  *     IgnoreClientCertificateExpiry: true || false,
  *     TrustStoreAssociationStatus: "active" || "removed",
+ *     AdvertiseTrustStoreCaNames: "on" || "off",
  *   },
  * };
  * const command = new CreateListenerCommand(input);
@@ -234,6 +235,7 @@ export interface CreateListenerCommandOutput extends CreateListenerOutput, __Met
  * //         TrustStoreArn: "STRING_VALUE",
  * //         IgnoreClientCertificateExpiry: true || false,
  * //         TrustStoreAssociationStatus: "active" || "removed",
+ * //         AdvertiseTrustStoreCaNames: "on" || "off",
  * //       },
  * //     },
  * //   ],
diff --git a/clients/client-elastic-load-balancing-v2/src/commands/DescribeListenersCommand.ts b/clients/client-elastic-load-balancing-v2/src/commands/DescribeListenersCommand.ts
index ac30243d8a70..a502f3006ad6 100644
--- a/clients/client-elastic-load-balancing-v2/src/commands/DescribeListenersCommand.ts
+++ b/clients/client-elastic-load-balancing-v2/src/commands/DescribeListenersCommand.ts
@@ -133,6 +133,7 @@ export interface DescribeListenersCommandOutput extends DescribeListenersOutput,
  * //         TrustStoreArn: "STRING_VALUE",
  * //         IgnoreClientCertificateExpiry: true || false,
  * //         TrustStoreAssociationStatus: "active" || "removed",
+ * //         AdvertiseTrustStoreCaNames: "on" || "off",
  * //       },
  * //     },
  * //   ],
diff --git a/clients/client-elastic-load-balancing-v2/src/commands/ModifyListenerCommand.ts b/clients/client-elastic-load-balancing-v2/src/commands/ModifyListenerCommand.ts
index 1a1c14c22f6c..1de5aab2a5ef 100644
--- a/clients/client-elastic-load-balancing-v2/src/commands/ModifyListenerCommand.ts
+++ b/clients/client-elastic-load-balancing-v2/src/commands/ModifyListenerCommand.ts
@@ -125,6 +125,7 @@ export interface ModifyListenerCommandOutput extends ModifyListenerOutput, __Met
  *     TrustStoreArn: "STRING_VALUE",
  *     IgnoreClientCertificateExpiry: true || false,
  *     TrustStoreAssociationStatus: "active" || "removed",
+ *     AdvertiseTrustStoreCaNames: "on" || "off",
  *   },
  * };
  * const command = new ModifyListenerCommand(input);
@@ -211,6 +212,7 @@ export interface ModifyListenerCommandOutput extends ModifyListenerOutput, __Met
  * //         TrustStoreArn: "STRING_VALUE",
  * //         IgnoreClientCertificateExpiry: true || false,
  * //         TrustStoreAssociationStatus: "active" || "removed",
+ * //         AdvertiseTrustStoreCaNames: "on" || "off",
  * //       },
  * //     },
  * //   ],
diff --git a/clients/client-elastic-load-balancing-v2/src/models/models_0.ts b/clients/client-elastic-load-balancing-v2/src/models/models_0.ts
index 7e7eb132e7ce..1d180e662d03 100644
--- a/clients/client-elastic-load-balancing-v2/src/models/models_0.ts
+++ b/clients/client-elastic-load-balancing-v2/src/models/models_0.ts
@@ -980,6 +980,21 @@ export interface AdministrativeOverride {
   Description?: string | undefined;
 }
 
+/**
+ * @public
+ * @enum
+ */
+export const AdvertiseTrustStoreCaNamesEnum = {
+  off: "off",
+  on: "on",
+} as const;
+
+/**
+ * @public
+ */
+export type AdvertiseTrustStoreCaNamesEnum =
+  (typeof AdvertiseTrustStoreCaNamesEnum)[keyof typeof AdvertiseTrustStoreCaNamesEnum];
+
 /**
  * <p>The specified allocation ID does not exist.</p>
  * @public
@@ -1351,6 +1366,12 @@ export interface MutualAuthenticationAttributes {
    * @public
    */
   TrustStoreAssociationStatus?: TrustStoreAssociationStatusEnum | undefined;
+
+  /**
+   * <p>Indicates whether trust store CA certificate names are advertised.</p>
+   * @public
+   */
+  AdvertiseTrustStoreCaNames?: AdvertiseTrustStoreCaNamesEnum | undefined;
 }
 
 /**
diff --git a/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts b/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts
index e1b47310bb4b..0f08eda1023b 100644
--- a/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts
+++ b/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts
@@ -4908,6 +4908,9 @@ const se_MutualAuthenticationAttributes = (input: MutualAuthenticationAttributes
   if (input[_TSAS] != null) {
     entries[_TSAS] = input[_TSAS];
   }
+  if (input[_ATSCN] != null) {
+    entries[_ATSCN] = input[_ATSCN];
+  }
   return entries;
 };
 
@@ -7370,6 +7373,9 @@ const de_MutualAuthenticationAttributes = (output: any, context: __SerdeContext)
   if (output[_TSAS] != null) {
     contents[_TSAS] = __expectString(output[_TSAS]);
   }
+  if (output[_ATSCN] != null) {
+    contents[_ATSCN] = __expectString(output[_ATSCN]);
+  }
   return contents;
 };
 
@@ -8480,6 +8486,7 @@ const _AOC = "AuthenticateOidcConfig";
 const _AP = "AlpnPolicy";
 const _AREP = "AuthenticationRequestExtraParams";
 const _AT = "AddTags";
+const _ATSCN = "AdvertiseTrustStoreCaNames";
 const _ATSR = "AddTrustStoreRevocations";
 const _AZ = "AvailabilityZone";
 const _AZv = "AvailabilityZones";
diff --git a/codegen/sdk-codegen/aws-models/elastic-load-balancing-v2.json b/codegen/sdk-codegen/aws-models/elastic-load-balancing-v2.json
index d9d433dd1571..6cf2da13ff5f 100644
--- a/codegen/sdk-codegen/aws-models/elastic-load-balancing-v2.json
+++ b/codegen/sdk-codegen/aws-models/elastic-load-balancing-v2.json
@@ -390,6 +390,23 @@
         "smithy.api#documentation": "<p>Information about the override status applied to a target.</p>"
       }
     },
+    "com.amazonaws.elasticloadbalancingv2#AdvertiseTrustStoreCaNamesEnum": {
+      "type": "enum",
+      "members": {
+        "on": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "on"
+          }
+        },
+        "off": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "off"
+          }
+        }
+      }
+    },
     "com.amazonaws.elasticloadbalancingv2#AllocationId": {
       "type": "string"
     },
@@ -7346,6 +7363,12 @@
           "traits": {
             "smithy.api#documentation": "<p>Indicates a shared trust stores association status.</p>"
           }
+        },
+        "AdvertiseTrustStoreCaNames": {
+          "target": "com.amazonaws.elasticloadbalancingv2#AdvertiseTrustStoreCaNamesEnum",
+          "traits": {
+            "smithy.api#documentation": "<p>Indicates whether trust store CA certificate names are advertised.</p>"
+          }
         }
       },
       "traits": {