diff --git a/flake.nix b/flake.nix
index 56a3a84..8778d9f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -73,6 +73,7 @@
             ({ config, pkgs, ... }: { nixpkgs.overlays = [ overlay-unstable ]; })
             ./hosts/ha1
             sops-nix.nixosModules.sops
+            backup-helper.nixosModules.backup-helper
           ];
         };
         template1 = nixpkgs.lib.nixosSystem {
diff --git a/hosts/ha1/configuration.nix b/hosts/ha1/configuration.nix
index 102e728..b190f25 100644
--- a/hosts/ha1/configuration.nix
+++ b/hosts/ha1/configuration.nix
@@ -44,6 +44,18 @@
     git
   ];
 
+  # Backup service dirs
+  sops.secrets."backup_helper_secret" = { };
+  backup-helper = {
+    enable = true;
+    password-file = "/run/secrets/backup_helper_secret";
+    backup-dirs = [
+      "/var/lib/hass"
+      "/var/lib/zigbee2mqtt"
+      "/var/lib/mosquitto"
+    ];
+  };
+
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];