diff --git a/flake.nix b/flake.nix
index ff61e69..89d76aa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -55,6 +55,15 @@
             sops-nix.nixosModules.sops
           ];
         };
+        ha1 = nixpkgs.lib.nixosSystem {
+          inherit system;
+          specialArgs = { inherit inputs self sops-nix; };
+          modules = [
+            ({ config, pkgs, ... }: { nixpkgs.overlays = [ overlay-unstable ]; })
+            ./hosts/ha1
+            sops-nix.nixosModules.sops
+          ];
+        };
         template1 = nixpkgs.lib.nixosSystem {
           inherit system;
           specialArgs = { inherit inputs self sops-nix; };