diff --git a/web/backend/Gemfile.lock b/web/backend/Gemfile.lock
index a15e2a44..64239d5c 100644
--- a/web/backend/Gemfile.lock
+++ b/web/backend/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.8.0)
-    rack (3.1.4)
+    rack (3.1.5)
     rack-cors (2.0.2)
       rack (>= 2.0.0)
     rack-session (2.0.0)