diff --git a/Gemfile.lock b/Gemfile.lock
index a4a7d27..9572437 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -262,7 +262,7 @@ GEM
     pundit (2.5.2)
       activesupport (>= 3.0.0)
     racc (1.8.1)
-    rack (3.1.19)
+    rack (3.1.21)
     rack-mini-profiler (4.0.1)
       rack (>= 1.2.0)
     rack-session (2.1.1)