diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 2034c676a8..6867d78d9b 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
       domain_name (~> 0.5)
     i18n (1.8.3)
       concurrent-ruby (~> 1.0)
-    json (2.3.0)
+    json (2.3.1)
     mechanize (2.7.6)
       domain_name (~> 0.5, >= 0.5.1)
       http-cookie (~> 1.0)