diff --git a/Gemfile.lock b/Gemfile.lock
index 7e4eeb07c..a74751adc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -361,7 +361,7 @@ GEM
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
-    json (2.1.0)
+    json (2.3.0)
     jwt (0.1.11)
       multi_json (>= 1.5)
     kramdown (1.16.2)