diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index ae1b16bd9668e..fee71b72a3192 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (3.0.3)
     rainbow (3.0.0)
     rdiscount (2.2.0.2)
     regexp_parser (2.1.1)