diff --git a/Gemfile.lock b/Gemfile.lock
index 6be8377..df3a92c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -376,7 +376,7 @@ GEM
       sprockets-rails (>= 2.0, < 4.0)
     websocket-driver (0.5.4)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
     whenever (0.9.2)
       activesupport (>= 2.3.4)
       chronic (>= 0.6.3)