diff --git a/en_US/upgrade/0-upgrade.iredmail.0.9.9-1.0.md b/en_US/upgrade/0-upgrade.iredmail.0.9.9-1.0.md
index 1f934fff..e639833e 100644
--- a/en_US/upgrade/0-upgrade.iredmail.0.9.9-1.0.md
+++ b/en_US/upgrade/0-upgrade.iredmail.0.9.9-1.0.md
@@ -91,6 +91,7 @@ Please follow commands below to get the updated filter rules.
 ```
 cd /etc/fail2ban/filter.d/
 wget -O postfix.iredmail.conf https://bitbucket.org/zhb/iredmail/raw/default/iRedMail/samples/fail2ban/filter.d/postfix.iredmail.conf
+wget -O dovecot.iredmail.conf https://bitbucket.org/zhb/iredmail/raw/default/iRedMail/samples/fail2ban/filter.d/dovecot.iredmail.conf
 ```
 
 Restarting Fail2ban service is required.
diff --git a/html/upgrade.iredmail.0.9.9-1.0.html b/html/upgrade.iredmail.0.9.9-1.0.html
index b4f4b7df..865e7352 100644
--- a/html/upgrade.iredmail.0.9.9-1.0.html
+++ b/html/upgrade.iredmail.0.9.9-1.0.html
@@ -106,6 +106,7 @@ iRedMail, so we decide to remove the filter rule used to match Postfix log
 </ul>
 <pre><code>cd /etc/fail2ban/filter.d/
 wget -O postfix.iredmail.conf https://bitbucket.org/zhb/iredmail/raw/default/iRedMail/samples/fail2ban/filter.d/postfix.iredmail.conf
+wget -O dovecot.iredmail.conf https://bitbucket.org/zhb/iredmail/raw/default/iRedMail/samples/fail2ban/filter.d/dovecot.iredmail.conf
 </code></pre>
 
 <p>Restarting Fail2ban service is required.</p><div class="footer">