diff --git a/Gemfile.lock b/Gemfile.lock
index b89b10e..539b57a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -165,12 +165,12 @@ GEM
     minitest (5.16.1)
     msgpack (1.5.2)
     nio4r (2.5.8)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       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)
     parallel (1.22.1)
     parser (3.1.2.0)