diff --git a/pkgs/development/python-modules/hap-python/default.nix b/pkgs/development/python-modules/hap-python/default.nix
index ab59d2b8b14e..b9b23ac771e1 100644
--- a/pkgs/development/python-modules/hap-python/default.nix
+++ b/pkgs/development/python-modules/hap-python/default.nix
@@ -17,7 +17,7 @@
   zeroconf,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "hap-python";
   version = "5.0.0";
   pyproject = true;
@@ -25,7 +25,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "ikalchev";
     repo = "HAP-python";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-+EhxoO5X/ANGh008WE0sJeBsu8SRnuds3hXGxNWpKnk=";
   };
 
@@ -49,7 +49,7 @@ buildPythonPackage rec {
     pytest-timeout
     pytestCheckHook
   ]
-  ++ optional-dependencies.QRCode;
+  ++ lib.flatten (builtins.attrValues finalAttrs.passthru.optional-dependencies);
 
   pythonImportsCheck = [ "pyhap" ];
 
@@ -61,8 +61,8 @@ buildPythonPackage rec {
   meta = {
     description = "HomeKit Accessory Protocol implementation";
     homepage = "https://github.com/ikalchev/HAP-python";
-    changelog = "https://github.com/ikalchev/HAP-python/blob/${src.tag}/CHANGELOG.md";
+    changelog = "https://github.com/ikalchev/HAP-python/blob/${finalAttrs.src.tag}/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ oro ];
   };
-}
+})