diff --git a/Gemfile.lock b/Gemfile.lock
index 0dc8519..b901cb6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -196,7 +196,7 @@ GEM
       slop (~> 3.4)
     public_suffix (2.0.5)
     puma (3.9.1)
-    rack (2.0.3)
+    rack (2.2.3)
     rack-contrib (1.2.0)
       rack (>= 0.9.1)
     rack-test (0.6.3)