diff --git a/Gemfile.lock b/Gemfile.lock
index 35a78e3..826e6b0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -254,7 +254,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.15.0)
     multipart-post (2.1.1)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     nokogumbo (2.0.4)