diff --git a/src/pybind/mgr/dashboard/requirements.txt b/src/pybind/mgr/dashboard/requirements.txt
index 8cf24eb6ae9..be0bc1efb02 100644
--- a/src/pybind/mgr/dashboard/requirements.txt
+++ b/src/pybind/mgr/dashboard/requirements.txt
@@ -14,3 +14,4 @@ jsonpatch
 grpcio==1.46.5
 grpcio-tools==1.46.5
 jmespath
+lxml==4.8.0  # to fix https://github.com/xmlsec/python-xmlsec/issues/320