diff --git a/Gemfile.lock b/Gemfile.lock
index 8748ed4..ee2b409 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
       concurrent-ruby (~> 1.0)
     mini_portile2 (2.8.0)
     minitest (5.15.0)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     racc (1.6.0)