diff --git a/nix/os/devices/steveej-t480s-work/versions.tmpl.nix b/nix/os/devices/steveej-t480s-work/versions.tmpl.nix
new file mode 100644
index 0000000..af80588
--- /dev/null
+++ b/nix/os/devices/steveej-t480s-work/versions.tmpl.nix
@@ -0,0 +1,20 @@
+{
+  channelsNixosStable = {
+    ref = "nixos-20.03-small";
+    rev = "<% git ls-remote https://github.com/nixos/nixpkgs-channels nixos-20.03-small | awk '{ print $1 }' | tr -d '\n' -%>";
+  };
+  channelsNixosUnstable = {
+    ref = "nixos-unstable";
+    rev = "<% git ls-remote https://github.com/nixos/nixpkgs-channels nixos-unstable | awk '{ print $1 }' | tr -d '\n' -%>";
+  };
+  nixpkgsMaster = {
+    url = "https://github.com/NixOS/nixpkgs/";
+    ref = "master";
+    rev = "<% git ls-remote https://github.com/NixOS/nixpkgs.git master | head -n1 | awk '{ print $1 }' | tr -d '\n' -%>";
+  };
+  homeManagerModule = {
+    url = "https://github.com/rycee/home-manager";
+    ref = "release-20.03";
+    rev = "<% git ls-remote https://github.com/rycee/home-manager.git release-20.03 | awk '{ print $1 }' | tr -d '\n' -%>";
+  };
+}