diff --git a/peml/jekyll_src/Gemfile.lock b/peml/jekyll_src/Gemfile.lock
index 2634c99..abea31a 100644
--- a/peml/jekyll_src/Gemfile.lock
+++ b/peml/jekyll_src/Gemfile.lock
@@ -218,7 +218,7 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.16.2)
-    nokogiri (1.13.8)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.25.1)