diff --git a/Gemfile.lock b/Gemfile.lock
index ccb9ddc..4cdf01c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
     unf_ext (0.0.7.1)
     websocket-driver (0.5.4)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby