diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 745dd746d3..40d7b929f9 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (4.0.7)
     racc (1.6.0)
-    rack (2.2.3.1)
+    rack (2.2.4)
     rainbow (3.1.1)
     rbi (0.0.14)
       ast