diff --git a/Gemfile.lock b/Gemfile.lock
index ff33ad6..3c40129 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,11 +157,11 @@ GEM
     minitest (5.15.0)
     nenv (0.3.0)
     nio4r (2.5.8)
-    nokogiri (1.13.6-arm64-darwin)
+    nokogiri (1.13.9-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.13.6-x86_64-darwin)
+    nokogiri (1.13.9-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.13.6-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)