diff --git a/railsapp/Gemfile.lock b/railsapp/Gemfile.lock
index 26c55fd..d622c04 100644
--- a/railsapp/Gemfile.lock
+++ b/railsapp/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
       railties (>= 5.0)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby