diff --git a/plus.conf b/plus.conf
index 74851a2..7253005 100644
--- a/plus.conf
+++ b/plus.conf
@@ -62,6 +62,7 @@ additional_packages = [
 	('^plus$', {
 		'*': [ 
 			'thunderbird',
+			'thunderbird-librnp-rnp',
 			'mesa',
 		],
     'aarch64': [