diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index a6defd83d53..f843d034829 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -83373,6 +83373,11 @@
       "items": {
        "$ref": "#/definitions/io.k8s.api.core.v1.ContainerPort"
       },
+      "x-kubernetes-list-map-keys": [
+       "containerPort",
+       "protocol"
+      ],
+      "x-kubernetes-list-type": "map",
       "x-kubernetes-patch-merge-key": "containerPort",
       "x-kubernetes-patch-strategy": "merge"
      },
diff --git a/staging/src/k8s.io/api/core/v1/generated.proto b/staging/src/k8s.io/api/core/v1/generated.proto
index fa32f76f7bd..cd1cf67aa8e 100644
--- a/staging/src/k8s.io/api/core/v1/generated.proto
+++ b/staging/src/k8s.io/api/core/v1/generated.proto
@@ -606,6 +606,9 @@ message Container {
   // +optional
   // +patchMergeKey=containerPort
   // +patchStrategy=merge
+  // +listType=map
+  // +listMapKey=containerPort
+  // +listMapKey=protocol
   repeated ContainerPort ports = 6;
 
   // List of sources to populate environment variables in the container.