diff --git a/cloud-sql/postgres/activerecord/Gemfile.lock b/cloud-sql/postgres/activerecord/Gemfile.lock
index c25933285..39832071d 100644
--- a/cloud-sql/postgres/activerecord/Gemfile.lock
+++ b/cloud-sql/postgres/activerecord/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
     net-smtp (0.4.0.1)
       net-protocol
     nio4r (2.7.0)
-    nokogiri (1.18.2-x86_64-linux-gnu)
+    nokogiri (1.19.1-x86_64-linux-gnu)
       racc (~> 1.4)
     pg (1.5.4)
     puma (6.4.2)