diff --git a/demo/chat/go.mod b/demo/chat/go.mod
index aff87e0..fc9b717 100644
--- a/demo/chat/go.mod
+++ b/demo/chat/go.mod
@@ -2,4 +2,4 @@ module chat
 
 go 1.12
 
-require github.com/gorilla/websocket v1.4.0
+require github.com/gorilla/websocket v1.4.1
diff --git a/demo/chat/go.sum b/demo/chat/go.sum
index cf4fbba..1f9b923 100644
--- a/demo/chat/go.sum
+++ b/demo/chat/go.sum
@@ -1,2 +1,2 @@
-github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
-github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
+github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=