diff --git a/roundcubemail.spec b/roundcubemail.spec
index 70b6444..198a070 100644
--- a/roundcubemail.spec
+++ b/roundcubemail.spec
@@ -107,9 +107,9 @@ Requires: php-xml
 Requires: php-pear(PEAR)            >= 1.10.1
 Requires: php-pear(Auth_SASL)       >= 1.1.0
 Requires: php-pear(Mail_Mime)       >= 1.10.0
-Requires: php-pear(Net_SMTP)        >= 1.9.0
+Requires: php-pear(Net_SMTP)        >= 1.10.0
 Requires: php-pear(Crypt_GPG)       >= 1.6.0
-Requires: php-pear(Net_Sieve)       >= 1.4.3
+Requires: php-pear(Net_Sieve)       >= 1.4.5
 Requires: php-pear(Net_LDAP2)       >= 2.2.0
 Requires: php-composer(kolab/net_ldap3) >= 1.1.1
 Requires: (php-composer(endroid/qrcode)    >= 1.6.5 with php-composer(endroid/qrcode)    <  2)