diff --git a/go.mod b/go.mod
index 4cd67deb4..2fa8d80e4 100644
--- a/go.mod
+++ b/go.mod
@@ -32,7 +32,7 @@ require (
 	github.com/gohugoio/localescompressed v0.15.0
 	github.com/gohugoio/testmodBuilder/mods v0.0.0-20190520184928-c56af20f2e95
 	github.com/google/go-cmp v0.5.7
-	github.com/gorilla/websocket v1.4.2
+	github.com/gorilla/websocket v1.5.0
 	github.com/hairyhenderson/go-codeowners v0.2.3-0.20201026200250-cdc7c0759690
 	github.com/jdkato/prose v1.2.1
 	github.com/kylelemons/godebug v1.1.0
diff --git a/go.sum b/go.sum
index 7515fae76..56b531723 100644
--- a/go.sum
+++ b/go.sum
@@ -361,8 +361,8 @@ github.com/googleapis/gax-go/v2 v2.1.1 h1:dp3bWCh+PPO1zjRRiCSczJav13sBvG4UhNyVTa
 github.com/googleapis/gax-go/v2 v2.1.1/go.mod h1:hddJymUZASv3XPyGkUpKj8pPO47Rmb0eJc8R6ouapiM=
 github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
-github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
-github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
+github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hairyhenderson/go-codeowners v0.2.3-0.20201026200250-cdc7c0759690 h1:XWjCrg/HJRLZCbvsUxS5R/9JhwiiwNctEsRvZ1Vjz5k=
 github.com/hairyhenderson/go-codeowners v0.2.3-0.20201026200250-cdc7c0759690/go.mod h1:8Qu9UmnhCRunfRv365Z3w+mT/WfLGKJiK+vugY9qNCU=