diff --git a/pkgs/development/python-modules/pydyf/default.nix b/pkgs/development/python-modules/pydyf/default.nix
index 4cf44e3c67eb..935cc044e5c1 100644
--- a/pkgs/development/python-modules/pydyf/default.nix
+++ b/pkgs/development/python-modules/pydyf/default.nix
@@ -1,49 +1,47 @@
 { lib
 , buildPythonPackage
-, fetchpatch
 , fetchPypi
-, isPy3k
-, pytestCheckHook
-, coverage
+, flit-core
 , ghostscript
 , pillow
+, pytestCheckHook
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "pydyf";
-  version = "0.1.2";
-  disabled = !isPy3k;
+  version = "0.5.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
-    inherit version;
-    pname = "pydyf";
-    sha256 = "sha256-Hi9d5IF09QXeAlp9HnzwG73ZQiyoq5RReCvwDuF4YCw=";
+    inherit pname version;
+    hash = "sha256-UedRrhUEA3wfwfSBURkTewEYAs1fbDU52wZsRVsUp+E=";
   };
 
-  patches = [
-    # Fix tests for Ghostscript 9.56
-    # Remove after v0.1.3 has been released
-    (fetchpatch {
-      url = "https://github.com/CourtBouillon/pydyf/commit/d4c34823f1d15368753c9c26f7acc7a24fc2d979.patch";
-      sha256 = "sha256-2hHZW/q5CbStbpSJYbm3b23qKXANEb5jbPGQ83uHC+Q=";
-    })
-  ];
-
   postPatch = ''
     substituteInPlace pyproject.toml \
       --replace "--isort --flake8 --cov --no-cov-on-fail" ""
   '';
 
+  nativeBuildInputs = [
+    flit-core
+  ];
+
   checkInputs = [
-    pytestCheckHook
-    coverage
     ghostscript
     pillow
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "pydyf"
   ];
 
   meta = with lib; {
-    homepage = "https://doc.courtbouillon.org/pydyf/stable/";
     description = "Low-level PDF generator written in Python and based on PDF specification 1.7";
+    homepage = "https://doc.courtbouillon.org/pydyf/stable/";
     license = licenses.bsd3;
     maintainers = with maintainers; [ rprecenth ];
   };