diff --git a/Gemfile.lock b/Gemfile.lock
index 5c009b7..6235080 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,7 +156,7 @@ GEM
     public_suffix (3.0.0)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.1.3)
+    rack (2.1.4.2)
     rack-contrib (1.2.0)
       rack (>= 0.9.1)
     rack-pjax (1.0.0)