diff --git a/Gemfile.lock b/Gemfile.lock
index d4d903e..764e2ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
       concurrent-ruby (~> 1.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
-    json (2.2.0)
+    json (2.3.1)
     kaminari (1.1.1)
       activesupport (>= 4.1.0)
       kaminari-actionview (= 1.1.1)