diff --git a/tests/requirements-313.txt b/tests/requirements-313.txt
index cfd70b1c7..44261b131 100644
--- a/tests/requirements-313.txt
+++ b/tests/requirements-313.txt
@@ -15,7 +15,7 @@ markupsafe>=2.1.0
 # Depends on grpcio
 #google-cloud-pubsub<=2.1.0
 #google-cloud-storage>=1.24.0
-# lxml>=4.9.2
+lxml>=4.9.2
 mock>=4.0.3
 moto>=4.1.2
 mysqlclient>=2.0.3