diff --git a/Gemfile.lock b/Gemfile.lock
index cdec147..4c6ab9b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,7 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    rack (2.0.1)
+    rack (2.2.3)
     rake (11.2.2)
     thread_safe (0.3.5)
     version (1.0.0)