diff --git a/types/plugin.pp b/types/plugin.pp
index 24b87b8c..21820360 100644
--- a/types/plugin.pp
+++ b/types/plugin.pp
@@ -8,4 +8,5 @@
   'dns-google',
   'dns-cloudflare',
   'dns-rfc2136',
+  'manual',
 ]