diff --git a/modules/unfree.nix b/modules/unfree.nix
index 5024029..3394261 100644
--- a/modules/unfree.nix
+++ b/modules/unfree.nix
@@ -3,5 +3,6 @@
 {
   nixpkgs.config.allowUnfreePredicate = (pkg: lib.elem (lib.getName pkg) [
     "unifi-controller"
+    "mongodb"
   ]);
 }