diff --git a/debian/control b/debian/control
index 6e04f136b..6f5631193 100644
--- a/debian/control
+++ b/debian/control
@@ -28,7 +28,7 @@ Depends: ${python:Depends}, ${misc:Depends},
  curl,
  mariadb-server | mysql-server, php5-mysql | php5-mysqlnd,
  slapd, ldap-utils, sudo-ldap, libnss-ldapd,
- postfix-ldap, postfix-policyd-spf-perl, postfix-pcre,
+ postfix-ldap, postfix-policyd-spf-perl, postfix-pcre, procmail,
  dovecot-ldap, dovecot-lmtpd, dovecot-managesieved,
  dovecot-antispam, fail2ban,
  nginx-extras (>=1.6.2), php5-fpm, php5-ldap, php5-intl,