diff --git a/Gemfile.lock b/Gemfile.lock
index a5944d9..e3c8e94 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
       execjs (>= 0.3.0, < 3)
     websocket-driver (0.6.4)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby