diff --git a/Gemfile.lock b/Gemfile.lock
index f07a716..5ab78ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     minitest (5.14.4)
     multi_json (1.13.1)
     multipart-post (2.0.0)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     os (0.9.6)