diff --git a/Gemfile.lock b/Gemfile.lock
index 79727b3..dcf16fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
       multi_json (~> 1.0)
       multi_xml
     i18n (0.6.1)
-    json (1.7.6)
+    json (2.3.1)
     multi_json (1.5.0)
     multi_xml (0.5.2)
     rake (10.0.3)