diff --git a/nixos/unifi.nix b/nixos/unifi.nix
index 157b83aa..e8a64428 100644
--- a/nixos/unifi.nix
+++ b/nixos/unifi.nix
@@ -11,6 +11,7 @@ in {
   services.unifi = {
     enable = mkDefault true;
     unifiPackage = mkDefault pkgs.unifi8;
+    mongodbPackage = mkDefault pkgs.mongodb-6_0;
   };
 
   networking.firewall = mkIf cfg.enable {