diff --git a/nixos/hosts/hades/unifi/configuration.nix b/nixos/hosts/hades/unifi/configuration.nix
index 858a2ef..7659d41 100644
--- a/nixos/hosts/hades/unifi/configuration.nix
+++ b/nixos/hosts/hades/unifi/configuration.nix
@@ -1,13 +1,13 @@
-{ pkgs, lib, pkgs_22-11,... }: {
+{ pkgs, lib, pkgs_stable,... }: {
   system.stateVersion = "21.05";
   networking.interfaces.eth0.useDHCP = true;
 
-  environment.systemPackages = [ pkgs_22-11.mongodb-4_2 ];
+  environment.systemPackages = [ pkgs_stable.mongodb-4_2 ];
 
   services.unifi = {
     enable = true;
     unifiPackage = pkgs.unifi;
-    mongodbPackage = pkgs_22-11.mongodb-4_2;
+    mongodbPackage = pkgs_stable.mongodb-4_2;
     openFirewall = true;
   };
 
diff --git a/nixos/hosts/olympus/unifi/configuration.nix b/nixos/hosts/olympus/unifi/configuration.nix
index 8538a80..d67b079 100644
--- a/nixos/hosts/olympus/unifi/configuration.nix
+++ b/nixos/hosts/olympus/unifi/configuration.nix
@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ pkgs, pkgs_22-11, lib, ... }:
+{ pkgs, pkgs_stable, lib, ... }:
 
 {
   imports = [ ];
@@ -22,7 +22,7 @@
   services.unifi = {
     enable = true;
     unifiPackage = pkgs.unifi;
-    mongodbPackage = pkgs_22-11.mongodb-4_2;
+    mongodbPackage = pkgs_stable.mongodb-4_2;
     openFirewall = true;
   };
 }