diff --git a/Gemfile.lock b/Gemfile.lock
index a972054ced6..cf997a1812f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
       uber (~> 0.0.4)
     http_parser.rb (0.5.3)
     i18n (0.6.9)
-    json (1.8.1)
+    json (2.3.1)
     kramdown (1.3.3)
     libv8 (3.16.14.3)
     listen (1.3.1)