diff --git a/Gemfile.lock b/Gemfile.lock
index c8605e4..6232aff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -215,7 +215,7 @@ GEM
     public_suffix (3.1.0)
     puma (3.12.1)
     raabro (1.1.6)
-    rack (2.0.7)
+    rack (2.1.4)
     rack-cors (1.0.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)