diff --git a/Gemfile.lock b/Gemfile.lock
index e91023e..8e77e25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
     method_source (1.0.0)
     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)
     pathutil (0.16.2)