diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index 50cfd87..137e1d6 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
       thread_safe (~> 0.1)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.5)
     zeitwerk (2.1.10)
 
 PLATFORMS