diff --git a/Gemfile.lock b/Gemfile.lock
index 53299aa..6c1c1ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
     public_suffix (4.0.1)
-    rack (2.0.7)
+    rack (2.2.3)
     rake (12.3.3)
     rdoc (3.12.2)
       json (~> 1.4)