diff --git a/Gemfile.lock b/Gemfile.lock
index 6830a63..966f837 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
       tilt
     hashie (3.5.6)
     i18n (0.8.6)
-    json (2.1.0)
+    json (2.6.1)
     mini_portile2 (2.3.0)
     minitest (5.10.2)
     multipart-post (2.0.0)