diff --git a/Gemfile.lock b/Gemfile.lock
index 854e2b3..b96bfce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -335,7 +335,7 @@ GEM
       websocket-extensions (>= 0.1.0)
     websocket-driver (0.6.5-java)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
     whenever (0.9.7)
       chronic (>= 0.6.3)
     xpath (3.0.0)