diff --git a/Gemfile.lock b/Gemfile.lock
index 392a895..3081111 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
       activesupport (>= 4.2.0)
     i18n (1.0.1)
       concurrent-ruby (~> 1.0)
-    json (2.1.0)
+    json (2.3.1)
     jsonapi-renderer (0.2.0)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)