diff --git a/Gemfile.lock b/Gemfile.lock
index 2a07ed4..220b95b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       turbolinks
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
-    json (2.0.3)
+    json (2.3.1)
     kaminari (0.17.0)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)