diff --git a/Gemfile.lock b/Gemfile.lock
index 57d4c2c..e09c72b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,7 @@ GEM
       websocket-driver (>= 0.2.0)
     public_suffix (3.0.0)
     puma (3.10.0)
-    rack (2.0.7)
+    rack (2.1.4)
     rack-cache (1.7.1)
       rack (>= 0.4)
     rack-contrib (1.2.0)