diff --git a/nix/os/devices/steveej-rmvbl-sdep0/versions.nix b/nix/os/devices/steveej-rmvbl-sdep0/versions.nix
index 508839d..f8759b8 100644
--- a/nix/os/devices/steveej-rmvbl-sdep0/versions.nix
+++ b/nix/os/devices/steveej-rmvbl-sdep0/versions.nix
@@ -1,32 +1,36 @@
 let
   nixpkgs = {
     url = "https://github.com/NixOS/nixpkgs/";
-    ref = "nixos-21.11";
-    rev = "386234e2a61e1e8acf94dfa3a3d3ca19a6776efb";
+    ref = "nixos-22.11";
+    rev = ''
+      0040164e473509b4aee6aedb3b923e400d6df10b'';
   };
 in {
   inherit nixpkgs;
   nixos = nixpkgs // {suffix = "/nixos";};
   "channels-nixos-stable" = nixpkgs;
-
-  #  "channels-nixos-21.05" = {
-  #    url = "https://github.com/NixOS/nixpkgs/";
-  #    ref = "nixos-21.05";
-  #    rev = "df123677560db3b0db7c19d71981b11091fbeaf6";
-  #  };
   "channels-nixos-unstable" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "nixos-unstable";
-    rev = "5aaed40d22f0d9376330b6fa413223435ad6fee5";
+    rev = ''
+      d9f759f2ea8d265d974a6e1259bd510ac5844c5d'';
+  };
+  "channels-nixos-unstable-small" = {
+    url = "https://github.com/NixOS/nixpkgs/";
+    ref = "nixos-unstable-small";
+    rev = ''
+      9c34c8adba80180608794cce600b10183b048942'';
   };
   "nixpkgs-master" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "c4d1eff44eb12cb5500fb2ab05a1a7303711254e";
+    rev = ''
+      f9adb566707a492bd3d17fee1e223695d939b52a'';
   };
   "home-manager-module" = {
     url = "https://github.com/nix-community/home-manager";
-    ref = "release-21.11";
-    rev = "697cc8c68ed6a606296efbbe9614c32537078756";
+    ref = "release-22.11";
+    rev = ''
+      d6f3ba090ed090ae664ab5bac329654093aae725'';
   };
 }
diff --git a/nix/os/devices/steveej-rmvbl-sdep0/versions.tmpl.nix b/nix/os/devices/steveej-rmvbl-sdep0/versions.tmpl.nix
new file mode 100644
index 0000000..a0fa34a
--- /dev/null
+++ b/nix/os/devices/steveej-rmvbl-sdep0/versions.tmpl.nix
@@ -0,0 +1,41 @@
+let
+  nixpkgs = {
+    url = "https://github.com/NixOS/nixpkgs/";
+    ref = "nixos-22.11";
+    rev = ''
+      <% git ls-remote https://github.com/nixos/nixpkgs nixos-22.11 | awk '{ print $1 }' | tr -d '
+      ' -%>'';
+  };
+in {
+  inherit nixpkgs;
+  nixos = nixpkgs // {suffix = "/nixos";};
+  "channels-nixos-stable" = nixpkgs;
+  "channels-nixos-unstable" = {
+    url = "https://github.com/NixOS/nixpkgs/";
+    ref = "nixos-unstable";
+    rev = ''
+      <% git ls-remote https://github.com/nixos/nixpkgs nixos-unstable | awk '{ print $1 }' | tr -d '
+      ' -%>'';
+  };
+  "channels-nixos-unstable-small" = {
+    url = "https://github.com/NixOS/nixpkgs/";
+    ref = "nixos-unstable-small";
+    rev = ''
+      <% git ls-remote https://github.com/nixos/nixpkgs nixos-unstable-small | awk '{ print $1 }' | tr -d '
+      ' -%>'';
+  };
+  "nixpkgs-master" = {
+    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 '
+      ' -%>'';
+  };
+  "home-manager-module" = {
+    url = "https://github.com/nix-community/home-manager";
+    ref = "release-22.11";
+    rev = ''
+      <% git ls-remote https://github.com/nix-community/home-manager.git release-22.11 | awk '{ print $1 }' | tr -d '
+      ' -%>'';
+  };
+}