diff --git a/azos-core b/azos-core
index dfacc36..bf77173 160000
--- a/azos-core
+++ b/azos-core
@@ -1 +1 @@
-Subproject commit dfacc364eda3d5ee1fdc2d09b065fc0689570905
+Subproject commit bf771732d06cb9405314a1ad2cd7817326b142e7
diff --git a/flake.lock b/flake.lock
index 094225c..a775917 100755
--- a/flake.lock
+++ b/flake.lock
@@ -6,11 +6,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1745135956,
-        "narHash": "sha256-bA6rFuzPjAWgenAh9IWGl2cO/pTqR2ff4VsB5eB6v8w=",
+        "lastModified": 1745138291,
+        "narHash": "sha256-FXUYygIg+z35NszMG5lt9lw7BJgkD3ABRX8zBTKkQl4=",
         "ref": "refs/heads/master",
-        "rev": "dfacc364eda3d5ee1fdc2d09b065fc0689570905",
-        "revCount": 17,
+        "rev": "bf771732d06cb9405314a1ad2cd7817326b142e7",
+        "revCount": 21,
         "type": "git",
         "url": "file:./azos-core"
       },
diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 48edf33..a770276 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -18,14 +18,14 @@
   boot.loader.efi.canTouchEfiVariables = true;
 
   nixpkgs = {
-	overlays = [
-		outputs.overlays.modifications
-		outputs.overlays.unstable-packages
-                inputs.azos-core.overlays.addpkgs
-	];
-	config = {
-		allowUnfree = true;
-	};
+    overlays = [
+      outputs.overlays.modifications
+      outputs.overlays.unstable-packages
+      inputs.azos-core.overlays.addpkgs
+    ];
+    config = {
+      allowUnfree = true;
+    };
   };
 
   nix.registry = (lib.mapAttrs (_: flake: {inherit flake;})) ((lib.filterAttrs (_: lib.isType "flake")) inputs);
@@ -95,6 +95,8 @@
 
   fonts.enableDefaultPackages = true;
 
+  services.upower.enable = true;
+
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;