diff --git a/requirements-container.txt b/requirements-container.txt
index 97dbd7b..4013e73 100644
--- a/requirements-container.txt
+++ b/requirements-container.txt
@@ -2,4 +2,4 @@ django-auth-ldap==4.6.0
 django-storages[azure,boto3,dropbox,google,libcloud,sftp]==1.14.2
 dulwich==0.21.7
 psycopg[c,pool]==3.1.18
-python3-saml==1.16.0
+python3-saml==1.16.0 --no-binary lxml