diff --git a/Gemfile.lock b/Gemfile.lock
index c9d7e0e..34c8a24 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -170,7 +170,7 @@ GEM
       execjs (>= 0.3.0, < 3)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
     xpath (2.1.0)
       nokogiri (~> 1.3)