diff --git a/install_roundcube.sh b/install_roundcube.sh
index ab120d4..99817c8 100755
--- a/install_roundcube.sh
+++ b/install_roundcube.sh
@@ -1494,6 +1494,8 @@ EOF
 
    SSLEngine on
 
+   SSLProtocol all -SSLv3 -TLSv1 -TLSv1.1
+
    SSLCertificateFile   ${APACHE_CERT_DIR}/$APACHE_SERVER_CERT
    SSLCertificateKeyFile ${APACHE_CERT_DIR}/$APACHE_SERVER_KEY
    $SSLCertificateChainFile