diff --git a/jekyll/Gemfile.lock b/jekyll/Gemfile.lock
index a6a2e49..0637900 100644
--- a/jekyll/Gemfile.lock
+++ b/jekyll/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
     mini_portile2 (2.8.0)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pathutil (0.16.2)