diff --git a/Gemfile.lock b/Gemfile.lock
index b50914a..cc1e6ff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
       mustermann (>= 1.0.0)
     newrelic_rpm (6.11.0.365)
     nio4r (2.5.2)
-    nokogiri (1.13.7)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     otr-activerecord (1.4.1)