diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index b8b10f58..389ae3c5 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
     public_suffix (4.0.5)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)