diff --git a/Gemfile.lock b/Gemfile.lock
index e76b8b0..8002207 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -124,12 +124,12 @@ GEM
     mini_portile2 (2.8.0)
     minitest (5.14.4)
     multi_json (1.15.0)
-    nokogiri (1.13.5)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.13.5-x86_64-darwin)
+    nokogiri (1.13.9-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.13.5-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)