diff --git a/Gemfile.lock b/Gemfile.lock
index 9b7f68c..4a6cab2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -224,7 +224,7 @@ GEM
     naturally (2.2.1)
     netrc (0.11.0)
     nkf (0.2.0)
-    nokogiri (1.18.9)
+    nokogiri (1.19.1)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     optparse (0.5.0)