diff --git a/overlay/root/requirements.txt b/overlay/root/requirements.txt
index 031d25b..63d7bc6 100644
--- a/overlay/root/requirements.txt
+++ b/overlay/root/requirements.txt
@@ -4,6 +4,7 @@ boto3
 botocore
 apache-libcloud
 hcloud
+molecule_hetznercloud
 
 # misc
 pycrypto