diff --git a/cloud-media-livestream/keypublisher/requirements.txt b/cloud-media-livestream/keypublisher/requirements.txt
index 7d169d94c6..19f297a2ef 100644
--- a/cloud-media-livestream/keypublisher/requirements.txt
+++ b/cloud-media-livestream/keypublisher/requirements.txt
@@ -1,7 +1,7 @@
 Flask==2.2.5
 functions-framework==3.8.2
 google-cloud-secret-manager==2.21.1
-lxml==5.2.1
+lxml==6.0.0
 pycryptodome==3.21.0
 pyOpenSSL==25.0.0
 requests==2.32.4