diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index a7339496b2..d435e85908 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     i18n (1.5.3)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.2)
-    json (2.1.0)
+    json (2.2.0)
     mechanize (2.7.6)
       domain_name (~> 0.5, >= 0.5.1)
       http-cookie (~> 1.0)