diff --git a/Gemfile.lock b/Gemfile.lock
index 5ab9943..67a875d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
     public_suffix (4.0.1)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rake (13.0.1)
     rdoc (6.2.0)
     rmagick (4.0.0)