diff --git a/conf/nginx.conf b/conf/nginx.conf
index 21d6e44..dd9067e 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,5 +1,5 @@
 location __PATH__/ {
-	# Adapted from https://gitlab.com/gitlab-org/gitlab-recipes/blob/master/web-server/nginx/gitlab-omnibus-ssl-nginx.conf
+	# Adapted from https://gitlab.com/gitlab-org/gitlab-foss/-/blob/master/lib/support/nginx/gitlab-ssl
 
 	client_max_body_size __CLIENT_MAX_BODY_SIZE__;
 	gzip off;
@@ -19,6 +19,8 @@ location __PATH__/ {
 	proxy_set_header    X-Forwarded-Ssl     on;
 	proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
 	proxy_set_header    X-Forwarded-Proto   $scheme;
+	proxy_set_header    Upgrade             $http_upgrade;
+	proxy_set_header    Connection          $connection_upgrade;
 
 	# Include SSOWAT user panel.
 	include conf.d/yunohost_panel.conf.inc;