diff --git a/Gemfile.lock b/Gemfile.lock
index 6eb7624..4a9c28d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
       jekyll-sitemap (~> 1.4)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.19.5)
+    json (2.19.9)
     kramdown (2.5.2)
       rexml (>= 3.4.4)
     kramdown-parser-gfm (1.1.0)