diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index 221876f56de6..023aec707924 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -1083,10 +1083,18 @@
           "description": "Arguments contain the parameters and artifacts sent to the workflow entrypoint Parameters are referencable globally using the 'workflow' variable prefix. e.g. {{workflow.parameters.myparam}}",
           "$ref": "#/definitions/io.argoproj.workflow.v1alpha1.Arguments"
         },
+        "dnsPolicy": {
+          "description": "Set DNS policy for the pod. Defaults to \"ClusterFirst\". Valid values are 'ClusterFirstWithHostNet', 'ClusterFirst', 'Default' or 'None'. DNS parameters given in DNSConfig will be merged with the policy selected with DNSPolicy. To have DNS options set along with hostNetwork, you have to specify DNS policy explicitly to 'ClusterFirstWithHostNet'.",
+          "type": "string"
+        },
         "entrypoint": {
           "description": "Entrypoint is a template reference to the starting point of the workflow",
           "type": "string"
         },
+        "hostNetwork": {
+          "description": "Host networking requested for this workflow pod. Default to false.",
+          "type": "boolean"
+        },
         "imagePullSecrets": {
           "description": "ImagePullSecrets is a list of references to secrets in the same namespace to use for pulling any images in pods that reference this ServiceAccount. ImagePullSecrets are distinct from Secrets because Secrets can be mounted in the pod, but ImagePullSecrets are only accessed by the kubelet. More info: https://kubernetes.io/docs/concepts/containers/images/#specifying-imagepullsecrets-on-a-pod",
           "type": "array",
diff --git a/pkg/apis/workflow/v1alpha1/openapi_generated.go b/pkg/apis/workflow/v1alpha1/openapi_generated.go
index 81f606863664..47392e025d05 100644
--- a/pkg/apis/workflow/v1alpha1/openapi_generated.go
+++ b/pkg/apis/workflow/v1alpha1/openapi_generated.go
@@ -2086,6 +2086,20 @@ func schema_pkg_apis_workflow_v1alpha1_WorkflowSpec(ref common.ReferenceCallback
 							},
 						},
 					},
+					"hostNetwork": {
+						SchemaProps: spec.SchemaProps{
+							Description: "Host networking requested for this workflow pod. Default to false.",
+							Type:        []string{"boolean"},
+							Format:      "",
+						},
+					},
+					"dnsPolicy": {
+						SchemaProps: spec.SchemaProps{
+							Description: "Set DNS policy for the pod. Defaults to \"ClusterFirst\". Valid values are 'ClusterFirstWithHostNet', 'ClusterFirst', 'Default' or 'None'. DNS parameters given in DNSConfig will be merged with the policy selected with DNSPolicy. To have DNS options set along with hostNetwork, you have to specify DNS policy explicitly to 'ClusterFirstWithHostNet'.",
+							Type:        []string{"string"},
+							Format:      "",
+						},
+					},
 					"onExit": {
 						SchemaProps: spec.SchemaProps{
 							Description: "OnExit is a template reference which is invoked at the end of the workflow, irrespective of the success, failure, or error of the primary workflow.",
diff --git a/pkg/apis/workflow/v1alpha1/zz_generated.deepcopy.go b/pkg/apis/workflow/v1alpha1/zz_generated.deepcopy.go
index a95538470e8f..72e00d152e1c 100644
--- a/pkg/apis/workflow/v1alpha1/zz_generated.deepcopy.go
+++ b/pkg/apis/workflow/v1alpha1/zz_generated.deepcopy.go
@@ -979,6 +979,16 @@ func (in *WorkflowSpec) DeepCopyInto(out *WorkflowSpec) {
 		*out = make([]v1.LocalObjectReference, len(*in))
 		copy(*out, *in)
 	}
+	if in.HostNetwork != nil {
+		in, out := &in.HostNetwork, &out.HostNetwork
+		*out = new(bool)
+		**out = **in
+	}
+	if in.DNSPolicy != nil {
+		in, out := &in.DNSPolicy, &out.DNSPolicy
+		*out = new(v1.DNSPolicy)
+		**out = **in
+	}
 	if in.TTLSecondsAfterFinished != nil {
 		in, out := &in.TTLSecondsAfterFinished, &out.TTLSecondsAfterFinished
 		*out = new(int32)