diff --git a/flake.nix b/flake.nix
index bda9e3d..f4fbc74 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,7 +21,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     lix-module = {
-      url = "https://git.lix.systems/lix-project/nixos-module/archive/2.90.0-rc1.tar.gz";
+      url = "https://git.lix.systems/lix-project/nixos-module/archive/2.90.0.tar.gz";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     niri = {
diff --git a/modules/common.nix b/modules/common.nix
new file mode 100644
index 0000000..e4aff01
--- /dev/null
+++ b/modules/common.nix
@@ -0,0 +1,23 @@
+{ config, pkgs, ... }:
+
+{
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_DE.UTF-8";
+    LC_IDENTIFICATION = "de_DE.UTF-8";
+    LC_MEASUREMENT = "de_DE.UTF-8";
+    LC_MONETARY = "de_DE.UTF-8";
+    LC_NAME = "de_DE.UTF-8";
+    LC_NUMERIC = "de_DE.UTF-8";
+    LC_PAPER = "de_DE.UTF-8";
+    LC_TELEPHONE = "de_DE.UTF-8";
+    LC_TIME = "de_DE.UTF-8";
+  };
+};