diff --git a/en_US/upgrade/0-upgrade.dovecot.2.2-2.3.md b/en_US/upgrade/0-upgrade.dovecot.2.2-2.3.md
index 6f5333b6..26d3dce6 100644
--- a/en_US/upgrade/0-upgrade.dovecot.2.2-2.3.md
+++ b/en_US/upgrade/0-upgrade.dovecot.2.2-2.3.md
@@ -89,6 +89,8 @@ ALTER TABLE mailbox ADD COLUMN enableimaptls TINYINT(1) NOT NULL DEFAULT 1;
 ALTER TABLE mailbox ADD INDEX (enableimaptls);
 ALTER TABLE mailbox ADD COLUMN enablepop3tls TINYINT(1) NOT NULL DEFAULT 1;
 ALTER TABLE mailbox ADD INDEX (enablepop3tls);
+ALTER TABLE mailbox ADD COLUMN enablesievetls TINYINT(1) NOT NULL DEFAULT 1;
+ALTER TABLE mailbox ADD INDEX (enablesievetls);
 ```
 
 * For PostgreSQL backend, please switch to PostgreSQL daemon user with `su`
@@ -100,6 +102,8 @@ ALTER TABLE mailbox ADD COLUMN enableimaptls INT2 NOT NULL DEFAULT 1;
 CREATE INDEX idx_mailbox_enableimaptls ON mailbox (enableimaptls);
 ALTER TABLE mailbox ADD COLUMN enablepop3tls INT2 NOT NULL DEFAULT 1;
 CREATE INDEX idx_mailbox_enablepop3tls ON mailbox (enablepop3tls);
+ALTER TABLE mailbox ADD COLUMN enablesievetls INT2 NOT NULL DEFAULT 1;
+CREATE INDEX idx_mailbox_enablesievetls ON mailbox (enablesievetls);
 ```
 
 ## LDAP changes for OpenLDAP/ldapd backends
diff --git a/html/upgrade.dovecot.2.2-2.3.html b/html/upgrade.dovecot.2.2-2.3.html
index 1b19aae8..bf1b6077 100644
--- a/html/upgrade.dovecot.2.2-2.3.html
+++ b/html/upgrade.dovecot.2.2-2.3.html
@@ -110,6 +110,8 @@ ALTER TABLE mailbox ADD COLUMN enableimaptls TINYINT(1) NOT NULL DEFAULT 1;
 ALTER TABLE mailbox ADD INDEX (enableimaptls);
 ALTER TABLE mailbox ADD COLUMN enablepop3tls TINYINT(1) NOT NULL DEFAULT 1;
 ALTER TABLE mailbox ADD INDEX (enablepop3tls);
+ALTER TABLE mailbox ADD COLUMN enablesievetls TINYINT(1) NOT NULL DEFAULT 1;
+ALTER TABLE mailbox ADD INDEX (enablesievetls);
 </code></pre>
 
 <ul>
@@ -121,6 +123,8 @@ ALTER TABLE mailbox ADD COLUMN enableimaptls INT2 NOT NULL DEFAULT 1;
 CREATE INDEX idx_mailbox_enableimaptls ON mailbox (enableimaptls);
 ALTER TABLE mailbox ADD COLUMN enablepop3tls INT2 NOT NULL DEFAULT 1;
 CREATE INDEX idx_mailbox_enablepop3tls ON mailbox (enablepop3tls);
+ALTER TABLE mailbox ADD COLUMN enablesievetls INT2 NOT NULL DEFAULT 1;
+CREATE INDEX idx_mailbox_enablesievetls ON mailbox (enablesievetls);
 </code></pre>
 
 <h2 id="ldap-changes-for-openldapldapd-backends">LDAP changes for OpenLDAP/ldapd backends</h2>