diff --git a/Gemfile.lock b/Gemfile.lock
index 0c8c692..1ceb383 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     hike (1.2.3)
     http_parser.rb (0.5.3)
     i18n (0.6.9)
-    json (1.8.1)
+    json (1.8.3)
     kramdown (1.3.3)
     listen (1.3.1)
       rb-fsevent (>= 0.9.3)