diff --git a/back/Gemfile.lock b/back/Gemfile.lock
index 71f1178..417f8ec 100644
--- a/back/Gemfile.lock
+++ b/back/Gemfile.lock
@@ -170,7 +170,7 @@ GEM
     puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.7.3)
-    rack (3.0.8)
+    rack (3.0.9.1)
     rack-cors (2.0.1)
       rack (>= 2.0.0)
     rack-session (2.0.0)