diff --git a/Gemfile.lock b/Gemfile.lock
index e99891f..4c16be6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -201,7 +201,7 @@ GEM
       railties (>= 4.2)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
     xpath (3.1.0)
       nokogiri (~> 1.8)