diff --git a/go.mod b/go.mod
index aab2a0681445..ec174d76cda7 100644
--- a/go.mod
+++ b/go.mod
@@ -44,7 +44,7 @@ require (
 	k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a
 	k8s.io/metrics v0.17.2
 	knative.dev/caching v0.0.0-20200521155757-e78d17bc250e
-	knative.dev/pkg v0.0.0-20200519155757-14eb3ae3a5a7
+	knative.dev/pkg v0.0.0-20200528142800-1c6815d7e4c9
 	knative.dev/test-infra v0.0.0-20200519161858-554a95a37986
 )
 
diff --git a/go.sum b/go.sum
index 42ce87121d23..eb8eca6b880d 100644
--- a/go.sum
+++ b/go.sum
@@ -1441,6 +1441,8 @@ knative.dev/pkg v0.0.0-20200505191044-3da93ebb24c2/go.mod h1:Q6sL35DdGs8hIQZKdaC
 knative.dev/pkg v0.0.0-20200515002500-16d7b963416f/go.mod h1:tMOHGbxtRz8zYFGEGpV/bpoTEM1o89MwYFC4YJXl3GY=
 knative.dev/pkg v0.0.0-20200519155757-14eb3ae3a5a7 h1:9S2r59HZJF9nKvoRLg5zJzx6XpVlVyvVRqz/C/h6h2s=
 knative.dev/pkg v0.0.0-20200519155757-14eb3ae3a5a7/go.mod h1:QgNZTxnwpB/oSpNcfnLVlw+WpEwwyKAvJlvR3hgeltA=
+knative.dev/pkg v0.0.0-20200528142800-1c6815d7e4c9 h1:bN9gghp5Osuw1bgKrvMaA+oiAvPuYmzSbRo54/EFSxI=
+knative.dev/pkg v0.0.0-20200528142800-1c6815d7e4c9/go.mod h1:QgNZTxnwpB/oSpNcfnLVlw+WpEwwyKAvJlvR3hgeltA=
 knative.dev/test-infra v0.0.0-20200407185800-1b88cb3b45a5/go.mod h1:xcdUkMJrLlBswIZqL5zCuBFOC22WIPMQoVX1L35i0vQ=
 knative.dev/test-infra v0.0.0-20200505052144-5ea2f705bb55/go.mod h1:WqF1Azka+FxPZ20keR2zCNtiQA1MP9ZB4BH4HuI+SIU=
 knative.dev/test-infra v0.0.0-20200513011557-d03429a76034 h1:JxqONCZVS7or+Fv3ebVQoipuIBH7Ig3Qbx170hgIF+A=
diff --git a/vendor/knative.dev/pkg/webhook/webhook.go b/vendor/knative.dev/pkg/webhook/webhook.go
index e29ea9611c60..ef7c238da84f 100644
--- a/vendor/knative.dev/pkg/webhook/webhook.go
+++ b/vendor/knative.dev/pkg/webhook/webhook.go
@@ -253,6 +253,7 @@ func (wh *Webhook) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		default:
 			w.WriteHeader(http.StatusOK)
 		}
+		return
 	}
 
 	// Verify the content type is accurate.
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 32770bc3da04..237586ee7677 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1169,7 +1169,7 @@ knative.dev/caching/pkg/client/injection/informers/caching/v1alpha1/image/fake
 knative.dev/caching/pkg/client/injection/informers/factory
 knative.dev/caching/pkg/client/injection/informers/factory/fake
 knative.dev/caching/pkg/client/listers/caching/v1alpha1
-# knative.dev/pkg v0.0.0-20200519155757-14eb3ae3a5a7
+# knative.dev/pkg v0.0.0-20200528142800-1c6815d7e4c9
 ## explicit
 knative.dev/pkg/apiextensions/storageversion
 knative.dev/pkg/apiextensions/storageversion/cmd/migrate