diff --git a/Gemfile.lock b/Gemfile.lock
index ffc7828..fe65f9a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
       railties (>= 4.2)
     websocket-driver (0.6.3)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby