diff --git a/Gemfile.lock b/Gemfile.lock
index 6ed555b..468a56f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,7 +63,7 @@ GEM
     globalid (0.3.7)
       activesupport (>= 4.1.0)
     i18n (0.8.1)
-    json (2.0.3)
+    json (2.3.1)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)