diff --git a/pkgs/development/python-modules/user-agents/default.nix b/pkgs/development/python-modules/user-agents/default.nix
index 072c3185b234..4695bdb13acc 100644
--- a/pkgs/development/python-modules/user-agents/default.nix
+++ b/pkgs/development/python-modules/user-agents/default.nix
@@ -2,23 +2,30 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
   ua-parser,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "user-agents";
   version = "2.2.0";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   # PyPI is missing devices.json
   src = fetchFromGitHub {
     owner = "selwin";
     repo = "python-user-agents";
-    rev = "v${version}";
-    sha256 = "0pcbjqj21c2ixhl414bh2h8khi8y1igzfpkyqwan1pakix0lq45a";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-qhBMQY9T3WAVx35e918MHkU4ERRwkUAo7FGwICSWi10=";
   };
 
-  propagatedBuildInputs = [ ua-parser ];
+  build-system = [ setuptools ];
+
+  dependencies = [ ua-parser ];
+
+  pythonImportsCheck = [ "user_agents" ];
 
   meta = {
     description = "Python library to identify devices by parsing user agent strings";
@@ -27,4 +34,4 @@ buildPythonPackage rec {
     platforms = lib.platforms.unix;
     maintainers = with lib.maintainers; [ dotlambda ];
   };
-}
+})