diff --git a/Gemfile.lock b/Gemfile.lock
index 92d54c3..265ed5e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       sass (~> 3.4)
     jekyll-watch (1.5.1)
       listen (~> 3.0)
-    json (2.1.0)
+    json (2.3.0)
     kramdown (1.17.0)
     launchy (2.4.3)
       addressable (~> 2.3)