diff --git a/Gemfile.lock b/Gemfile.lock
index 18acbdd..6eb0804 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    json (1.8.0)
+    json (2.6.3)
     minitest (4.3.2)
     mixlib-cli (1.3.0)
     rake (10.0.3)