diff --git a/pkgs/development/python-modules/acme/default.nix b/pkgs/development/python-modules/acme/default.nix
index 0b3ad8d27480..0e0a06cf031f 100644
--- a/pkgs/development/python-modules/acme/default.nix
+++ b/pkgs/development/python-modules/acme/default.nix
@@ -2,43 +2,38 @@
   buildPythonPackage,
   certbot,
   cryptography,
-  pyasn1,
   pyopenssl,
   pyrfc3339,
   josepy,
   pytz,
   requests,
-  requests-toolbelt,
-  six,
-  werkzeug,
-  ndg-httpsclient,
+  setuptools,
 }:
 
 buildPythonPackage rec {
-  inherit (certbot) src version;
-
   pname = "acme";
-  format = "setuptools";
+  inherit (certbot) version src;
+  pyproject = true;
 
-  propagatedBuildInputs = [
+  sourceRoot = "${src.name}/acme";
+
+  build-system = [
+    setuptools
+  ];
+
+  dependencies = [
     cryptography
-    pyasn1
     pyopenssl
     pyrfc3339
     pytz
     requests
-    requests-toolbelt
-    six
-    werkzeug
-    ndg-httpsclient
     josepy
   ];
 
   # does not contain any tests
   doCheck = false;
-  pythonImportsCheck = [ "acme" ];
 
-  sourceRoot = "${src.name}/${pname}";
+  pythonImportsCheck = [ "acme" ];
 
   meta = certbot.meta // {
     description = "ACME protocol implementation in Python";