diff --git a/Gemfile.lock b/Gemfile.lock
index 0403eb0..0440ebd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
     mini_portile2 (2.8.0)
     minitest (5.11.3)
     nio4r (2.3.1)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     public_suffix (3.0.3)