diff --git a/flake.lock b/flake.lock
index 9da09be8..2ca8c0ec 100644
--- a/flake.lock
+++ b/flake.lock
@@ -276,6 +276,19 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1770562336,
+        "narHash": "sha256-MIMad536rq4nepqzYDTwuSDNQP+YuM0cfsvtcJJJItM=",
+        "rev": "d6c71932130818840fc8fe9509cf50be8c64634f",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.05pre942779.d6c719321308/nixexprs.tar.xz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz"
+      }
+    },
     "root": {
       "inputs": {
         "disko": "disko",
@@ -289,6 +302,7 @@
         "nix-webapps": "nix-webapps",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix",
         "tree-sitter-sieve": "tree-sitter-sieve"
       }
diff --git a/flake.nix b/flake.nix
index e51be3f6..8d320e25 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "https://channels.nixos.org/nixos-25.11/nixexprs.tar.xz";
+    nixpkgs-unstable.url = "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz";
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
 
     sops-nix = {
diff --git a/nixos-config/default.nix b/nixos-config/default.nix
index 8ab4da08..af51f69e 100644
--- a/nixos-config/default.nix
+++ b/nixos-config/default.nix
@@ -6,6 +6,8 @@
   ...
 }:
 {
+  disabledModules = [ "services/system/automatic-timezoned.nix" ];
+
   imports = [
     flake-inputs.self.nixosModules.nvidia
 
@@ -13,6 +15,8 @@
     flake-inputs.sops-nix.nixosModules.sops
     flake-inputs.nix-flatpak.nixosModules.nix-flatpak
 
+    "${flake-inputs.nixpkgs-unstable}/nixos/modules/services/system/automatic-timezoned.nix"
+
     ./desktop
     ./dev.nix
     ./networking