diff --git a/Gemfile.lock b/Gemfile.lock
index a7e02f9..06a218e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
     daemons (1.1.8)
     eventmachine (0.12.10)
     ffi (1.0.11)
-    json (1.6.5)
+    json (2.2.0)
     mime-types (1.17.2)
     multi_json (1.0.4)
     nokogiri (1.5.0)