diff --git a/elements/openstack-ssl/os-apply-config/etc/stunnel/from-heat.conf b/elements/openstack-ssl/os-apply-config/etc/stunnel/from-heat.conf
index 99f4b622c..9343622bb 100644
--- a/elements/openstack-ssl/os-apply-config/etc/stunnel/from-heat.conf
+++ b/elements/openstack-ssl/os-apply-config/etc/stunnel/from-heat.conf
@@ -1,7 +1,7 @@
 pid = /var/run/stunnel4/from-heat.pid
 cert = /etc/ssl/from-heat.crt
 key = /etc/ssl/from-heat.key
-options = NO_SSLv2
+options = NO_SSLv2 NO_SSLv3
 
 {{#stunnel.ports}}
 [{{name}}]