diff --git a/Gemfile.lock b/Gemfile.lock
index 56b543c2..1eb3cde5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
       domain_name (~> 0.5)
     i18n (1.0.1)
       concurrent-ruby (~> 1.0)
-    json (2.1.0)
+    json (2.6.3)
     json_pure (1.8.1)
     metaclass (0.0.4)
     mime-types (3.1)