diff --git a/Gemfile.lock b/Gemfile.lock
index b3b7f53..5939baf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
       sass (~> 3.2)
     jekyll-watch (1.2.1)
       listen (~> 2.7)
-    json (1.8.2)
+    json (2.3.1)
     kramdown (1.6.0)
     liquid (2.6.2)
     listen (2.10.0)