diff --git a/Gemfile.lock b/Gemfile.lock
index d2d09dc..d7d9423 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
     mini_mime (1.0.1)
     mini_portile2 (2.8.0)
     minitest (5.11.3)
-    nokogiri (1.13.6)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     public_suffix (3.0.3)