diff --git a/Gemfile.lock b/Gemfile.lock
index 567ca56..d7a2dd6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.8.0)
     minitest (5.14.1)
-    nokogiri (1.13.4)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pathutil (0.16.2)