diff --git a/share/containers/rails/app/Gemfile.lock b/share/containers/rails/app/Gemfile.lock
index 66f2fc8..d826db0 100644
--- a/share/containers/rails/app/Gemfile.lock
+++ b/share/containers/rails/app/Gemfile.lock
@@ -186,7 +186,7 @@ GEM
       railties (>= 5.0)
     websocket-driver (0.6.3)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)