diff --git a/Gemfile.lock b/Gemfile.lock
index 4d085b912d..061af5aa26 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -403,7 +403,7 @@ GEM
       rack (>= 2.0.6)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.5)
     wicked_pdf (2.0.1)
       activesupport
     xpath (3.2.0)