diff --git a/requirements.in b/requirements.in
index cc03e1dc845b2ace0885daf0e2161ad030569bec..50ed055de09341fafe1332b56046d63cab931ce0 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,4 +1,5 @@
 ansible~=2.9.0
+defusedxml
 dnspython
 gimmecert~=0.4.0
 molecule~=2.22.0