diff --git a/install/v0.4.1/kfserving.yaml b/install/v0.4.1/kfserving.yaml
index e4803292331..8e474145919 100644
--- a/install/v0.4.1/kfserving.yaml
+++ b/install/v0.4.1/kfserving.yaml
@@ -384,6 +384,7 @@ spec:
                                     type: string
                                 required:
                                 - containerPort
+                                - protocol
                                 type: object
                               type: array
                               x-kubernetes-list-map-keys:
@@ -950,6 +951,7 @@ spec:
                                     type: string
                                 required:
                                 - containerPort
+                                - protocol
                                 type: object
                               type: array
                               x-kubernetes-list-map-keys:
@@ -1688,6 +1690,7 @@ spec:
                                     type: string
                                 required:
                                 - containerPort
+                                - protocol
                                 type: object
                               type: array
                               x-kubernetes-list-map-keys:
@@ -2295,6 +2298,7 @@ spec:
                                     type: string
                                 required:
                                 - containerPort
+                                - protocol
                                 type: object
                               type: array
                               x-kubernetes-list-map-keys:
@@ -2861,6 +2865,7 @@ spec:
                                     type: string
                                 required:
                                 - containerPort
+                                - protocol
                                 type: object
                               type: array
                               x-kubernetes-list-map-keys:
@@ -3599,6 +3604,7 @@ spec:
                                     type: string
                                 required:
                                 - containerPort
+                                - protocol
                                 type: object
                               type: array
                               x-kubernetes-list-map-keys: