diff --git a/cdist/conf/type/__apt_source/nonparallel b/cdist/conf/type/__apt_source/nonparallel
new file mode 100644
index 00000000..e69de29b
diff --git a/docs/changelog b/docs/changelog
index 311d7a57..e7c59952 100644
--- a/docs/changelog
+++ b/docs/changelog
@@ -5,6 +5,7 @@ next:
 	* Type __letsencrypt_cert: Add support for devuan ascii (Darko Poljak)
 	* Type __systemd_unit: Fix minor issues and add masking unit files support (Adam Dej)
 	* Type __grafana_dashboard: Fix devuan ascii support (Dominique Roux)
+	* Type __apt_source: Add nonparallel marker (Darko Poljak)
 
 4.10.1: 2018-06-21
 	* Type __letsencrypt_cert: Fix temp file location and removal (Darko Poljak)