diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index bedb502..4b4290c 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -220,7 +220,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.1.1)
-    nokogiri (1.13.3)
+    nokogiri (1.13.4)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.21.0)