diff --git a/Gemfile.lock b/Gemfile.lock
index 39b6145..236392d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.3)
     puma (3.12.0)
-    rack (2.0.7)
+    rack (2.1.1)
     rack-cors (1.0.2)
     rack-protection (2.0.5)
       rack