diff --git a/Gemfile.lock b/Gemfile.lock
index 7db1ef5..8db5d1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -232,10 +232,10 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.15.0)
     multipart-post (2.1.1)
-    nokogiri (1.13.4)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.13.4-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     octokit (4.22.0)
       faraday (>= 0.9)