diff --git a/modules/hleger-web.nix b/modules/hleger-web.nix
new file mode 100644
index 0000000..ed8e890
--- /dev/null
+++ b/modules/hleger-web.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+with lib;
+let cfg = config.services.hledger;
+in {
+  options = {
+    services.hledger = {
+      enable = mkEnableOption (lib.mdDoc "hledger web service");
+
+      package = mkOption {
+        default = pkgs.hledger;
+        defaultText = literalExpression "pkgs.hledger";
+        type = types.package;
+        description = lib.mdDoc ''
+          HLedger package to use.
+        '';
+      };
+    };
+  };
+}