diff --git a/smeserver-dovecot.spec b/smeserver-dovecot.spec
index 78ab49e..f0ed35e 100644
--- a/smeserver-dovecot.spec
+++ b/smeserver-dovecot.spec
@@ -1,5 +1,5 @@
 %define version 11.0.0
-%define release 6
+%define release 7
 %define name smeserver-dovecot
 
 
@@ -17,7 +17,8 @@ BuildArchitectures: noarch
 BuildRequires: smeserver-devtools
 
 Requires: smeserver-base >= 5.2.0
-Requires: dovecot >= 2.0.9
+Requires: dovecot >= 2.3.16
+Requires: portreserve
 
 Provides: smeserver-imap
 Provides: smeserver-pop3
@@ -38,6 +39,9 @@ Configure the dovecot IMAP server with sieve scripts support,
 quota, ACL, extended logging, master user
 
 %changelog
+* Fri Apr 05 2024 Jean-Philippe Pialasse <jpp@koozali.org> 11.0.0-7.sme
+- add missing requirement for portreserve [SME: 12589]
+
 * Thu Apr 04 2024 Jean-Philippe Pialasse <jpp@koozali.org> 11.0.0-6.sme
 - fix migrate fragment error  [SME: 12548]
 - add support for quota-fs [SME: 11733]