diff --git a/Gemfile.lock b/Gemfile.lock
index 61564ab..18c2943 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
     nio4r (2.5.7)
     puma (5.3.2)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-app (7.7.0)
       rack
     rack-app-front_end (0.22.0)