diff --git a/Gemfile.lock b/Gemfile.lock
index 0988062..2d735dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,7 +202,7 @@ GEM
       rlp (~> 0.7.3)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby