diff --git a/Gemfile.lock b/Gemfile.lock
index 89b09f6..07eed76 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     minitest (5.11.3)
     msgpack (1.2.10)
     nio4r (2.5.8)
-    nokogiri (1.13.8)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     public_suffix (5.0.0)