diff --git a/group_vars/all/vars.yml b/group_vars/all/vars.yml
index 7ad8cae..1447277 100644
--- a/group_vars/all/vars.yml
+++ b/group_vars/all/vars.yml
@@ -64,6 +64,10 @@ mail_aliases:
 - "voucher6@binary-kitchen.de	exxess@binary-kitchen.de"
 - "voucher7@binary-kitchen.de	exxess@binary-kitchen.de"
 - "voucher8@binary-kitchen.de	exxess@binary-kitchen.de"
+- "voucher9@binary-kitchen.de	exxess@binary-kitchen.de"
+- "voucher10@binary-kitchen.de	exxess@binary-kitchen.de"
+- "voucher11@binary-kitchen.de	exxess@binary-kitchen.de"
+- "voucher12@binary-kitchen.de	exxess@binary-kitchen.de"
 - "workshops@binary-kitchen.de	timo.schindler@binary-kitchen.de,venti@binary-kitchen.de"
 
 nslcd_base_group: ou=groups,dc=binary-kitchen,dc=de