diff --git a/Gemfile.lock b/Gemfile.lock
index 333b7ab..4384d42 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: http://rubygems.org/
   specs:
     git (1.2.5)
-    json (1.5.3)
+    json (2.3.0)
     mime-types (1.16)
     minitar (0.5.3)
     mustache (0.99.4)