diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 787f8deb74..ae33da9316 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -191,7 +191,7 @@ GEM
       diff-lcs (~> 1.3)
       parser (>= 3.1.0)
     uri_template (0.7.0)
-    warning (1.2.1)
+    warning (1.3.0)
     webrick (1.7.0)
     webrobots (0.1.2)
     yard (0.9.28)