diff --git a/Gemfile.lock b/Gemfile.lock
index 8d5f8fc..2dd25c7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
       railties (>= 5.0)
     websocket-driver (0.6.4)
       websocket-extensions (>= 0.1.5)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby