diff --git a/Gemfile.lock b/Gemfile.lock
index 64c4d64..f400b00 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
       json (>= 1.4.6)
     highline (1.6.15)
     i18n (0.5.0)
-    json (1.7.5)
+    json (2.3.0)
     mocha (0.9.12)
     mongo (1.8.2)
       bson (~> 1.8.2)