diff --git a/Gemfile.lock b/Gemfile.lock
index 0eca751..44ee785 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,9 +105,9 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.8)
-    nokogiri (1.12.5-x86_64-darwin)
+    nokogiri (1.13.9-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.12.5-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     parallel (1.21.0)
     parser (3.0.2.0)