diff --git a/hosts/kazuki/vault.nix b/hosts/kazuki/vault.nix
index 5155311..87ff42b 100644
--- a/hosts/kazuki/vault.nix
+++ b/hosts/kazuki/vault.nix
@@ -22,6 +22,7 @@
       enableACME = true;
       locations."/" = {
         proxyPass = "http://vaultwarden";
+        proxyWebsockets = true;
       };
     };