diff --git a/pkgs/development/python-modules/flask-versioned/default.nix b/pkgs/development/python-modules/flask-versioned/default.nix
index aad90cef178b..dd47e310eaf3 100644
--- a/pkgs/development/python-modules/flask-versioned/default.nix
+++ b/pkgs/development/python-modules/flask-versioned/default.nix
@@ -2,26 +2,37 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
   flask,
+  pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage {
   pname = "flask-versioned";
   version = "0.9.4";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pilt";
     repo = "flask-versioned";
     rev = "38046fb53a09060de437c90a5f7370a6b94ffc31"; # no tags
-    sha256 = "1wim9hvx7lxzfg35c0nc7p34j4vw9mzisgijlz4ibgykah4g1y37";
+    hash = "sha256-Z/jwCFTTvxXJpzI+HX9NfBNJxj3MAlbGc7/T0zdMNfI=";
   };
 
-  propagatedBuildInputs = [ flask ];
+  build-system = [ setuptools ];
 
-  meta = with lib; {
+  dependencies = [ flask ];
+
+  pythonImportsCheck = [ "flaskext.versioned" ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  pythonNamespaces = [ "flaskext" ];
+
+  meta = {
     description = "Flask plugin to rewrite file paths to add version info";
     homepage = "https://github.com/pilt/flask-versioned";
-    license = licenses.bsd3;
+    license = lib.licenses.bsd3;
     maintainers = [ ];
   };
 }