diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index ed8e4d450a69d..294f2935e9e67 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (3.0.9.1)
     rainbow (3.0.0)
     rbi (0.0.9)
       ast