diff --git a/Gemfile.lock b/Gemfile.lock
index eb37c4e..825edfe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.8.0)
     minitest (5.14.3)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pathutil (0.16.2)