diff --git a/programmers_preferences_backend/Gemfile.lock b/programmers_preferences_backend/Gemfile.lock
index d6ab7aa..8553df4 100644
--- a/programmers_preferences_backend/Gemfile.lock
+++ b/programmers_preferences_backend/Gemfile.lock
@@ -95,7 +95,7 @@ GEM
     pg (1.2.3)
     puma (4.3.3)
       nio4r (~> 2.0)
-    rack (2.2.2)
+    rack (2.2.3)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-proxy (0.6.5)