diff --git a/Gemfile.lock b/Gemfile.lock
index bfeffcf..a6e7afa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
     diff-lcs (1.2.5)
     docile (1.1.5)
     i18n (0.7.0)
-    json (2.0.2)
+    json (2.3.1)
     mysql2 (0.5.2)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)