diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index d9ce716..6f0ed79 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
       nio4r (~> 2.0)
     puma (4.3.3-java)
       nio4r (~> 2.0)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-proxy (0.6.5)