diff --git a/src/requirements.txt b/src/requirements.txt
index 50b94fea..12d0d577 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -7,7 +7,7 @@ google-auth-httplib2
 google-auth-oauthlib>=0.4.1
 google-auth>=2.3.2
 httplib2>=0.17.0
-lxml==4.9.2
+lxml
 passlib>=1.7.2
 pathvalidate
 python-dateutil