diff --git a/Gemfile.lock b/Gemfile.lock
index 6a030be..dda5858 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -82,7 +82,7 @@ GEM
     unf_ext (0.0.7.2)
     websocket-driver (0.6.4)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
     wikicloth (0.8.3)
       builder
       expression_parser