diff --git a/GIDs b/GIDs
index 47e7c6bc0515..543a4321cc90 100644
--- a/GIDs
+++ b/GIDs
@@ -53,6 +53,7 @@ maildrop:*:126:
 vchat:*:128:
 _bgpd:*:130:
 _ospfd:*:131:
+dovecot:*:143:
 rbldns:*:153:
 sfs:*:171:
 agk:*:172:
diff --git a/UIDs b/UIDs
index 899a494d4562..fe6551945a8b 100644
--- a/UIDs
+++ b/UIDs
@@ -62,6 +62,7 @@ postfix:*:125:125:Postfix Mail System:/var/spool/postfix:/sbin/nologin
 vchat:*:128:128:VChat Conferencing System:/nonexistent:/sbin/nologin
 _bgpd:*:130:130:BGP Daemon:/var/empty:/sbin/nologin
 _ospfd:*:131:131:OSPF Daemon:/var/empty:/sbin/nologin
+dovecot:*:143:143:Dovecot User:/var/empty:/sbin/nologin
 rbldns:*:153:153:rbldnsd pseudo-user:/nonexistent:/sbin/nologin
 sfs:*:171:171:Self-Certifying File System:/nonexistent:/sbin/nologin
 agk:*:172:172:AquaGateKeeper:/nonexistent:/nonexistent