diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index b181aa4..c25a01a 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -38,7 +38,7 @@ GEM
       sass (~> 3.2)
     jekyll-watch (1.2.1)
       listen (~> 2.7)
-    json (1.8.2)
+    json (2.3.0)
     kramdown (1.6.0)
     liquid (2.6.2)
     listen (2.10.0)