diff --git a/Gemfile.lock b/Gemfile.lock
index 1fe6279..6a71bc9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
-    json (2.0.4)
+    json (2.5.1)
     kaminari (1.0.1)
       activesupport (>= 4.1.0)
       kaminari-actionview (= 1.0.1)