diff --git a/Gemfile b/Gemfile
index a058b47..22cda71 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,6 @@ source "https://rubygems.org"
 
 gem "github-pages", group: :jekyll_plugins
 gem "jekyll-include-cache", "~> 0.1"
-gem "nokogiri", "1.13.6"
+gem "nokogiri", "1.13.9"
 gem "html-proofer"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 40ac61f..22345ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -206,7 +206,7 @@ GEM
     minitest (5.10.3)
     multipart-post (2.1.1)
     net-dns (0.9.0)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.21.0)
@@ -248,7 +248,7 @@ DEPENDENCIES
   github-pages
   html-proofer
   jekyll-include-cache (~> 0.1)
-  nokogiri (= 1.13.6)
+  nokogiri (= 1.13.9)
 
 BUNDLED WITH
    1.16.1