diff --git a/ansible/haproxy.cfg.template b/ansible/haproxy.cfg.template
index 574099d..e1044b9 100644
--- a/ansible/haproxy.cfg.template
+++ b/ansible/haproxy.cfg.template
@@ -18,7 +18,7 @@ defaults
     timeout server 50000
 
 frontend http_front
-    bind :8443 ssl crt /usr/local/etc/haproxy/tls/certificate.pem
+    bind :8443 ssl crt /usr/local/etc/haproxy/tls/certificate.pem alpn h2,http/1.1
 
 {% for hostname in nginx_names %}
     acl be_{{ hostname }} path_beg /{{ hostname }}