diff --git a/pkgs/development/python-modules/deprecat/default.nix b/pkgs/development/python-modules/deprecat/default.nix
index 194859ad531a..5584261bcc54 100644
--- a/pkgs/development/python-modules/deprecat/default.nix
+++ b/pkgs/development/python-modules/deprecat/default.nix
@@ -10,22 +10,22 @@
 buildPythonPackage rec {
   pname = "deprecat";
   version = "2.1.2";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "mjhajharia";
-    repo = pname;
+    repo = "deprecat";
     rev = "refs/tags/v${version}";
     hash = "sha256-uAabZAtZDhcX6TfiM0LnrAzxxS64ys+vdodmxO//0x8=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools-scm
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     wrapt
   ];