diff --git a/Gemfile.lock b/Gemfile.lock
index 99b0f82..e0d5b92 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -360,7 +360,7 @@ GEM
     webrobots (0.1.2)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
     xpath (2.1.0)
       nokogiri (~> 1.3)