diff --git a/ops/nixos/marukuru/default.nix b/ops/nixos/marukuru/default.nix
index da94f78a2f..fbd102c091 100644
--- a/ops/nixos/marukuru/default.nix
+++ b/ops/nixos/marukuru/default.nix
@@ -12,8 +12,8 @@ in {
   ];
   boot.kernelModules = [ "tcp_bbr" ];
   boot.kernel.sysctl = {
-    "net.ipv6.conf.default.accept_ra" = 1;
-    "net.ipv6.conf.all.accept_ra" = 1;
+    "net.ipv6.conf.default.accept_ra" = 2;
+    "net.ipv6.conf.all.accept_ra" = 2;
   };
 
   fileSystems = {
@@ -141,6 +141,7 @@ in {
           letsencrypt['enable'] = true
           letsencrypt['contact_emails'] = ['letsencrypt@lukegb.com']
           nginx['redirect_http_to_https'] = true
+          nginx['listen_addresses'] = ["0.0.0.0", "[::]"]
 
           gitlab_rails['smtp_enable'] = true
           gitlab_rails['smtp_address'] = '103.105.48.15'