diff --git a/Gemfile.lock b/Gemfile.lock
index b3a4ddc..969a7f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -184,7 +184,7 @@ GEM
       railties (>= 3.2.16)
     js_cookie_rails (2.2.0)
       railties (>= 3.1)
-    json (2.2.0)
+    json (2.3.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)