diff --git a/pkgs/development/python-modules/pyimpfuzzy/default.nix b/pkgs/development/python-modules/pyimpfuzzy/default.nix
index 9cc07e89c3ae..b2614a3cb053 100644
--- a/pkgs/development/python-modules/pyimpfuzzy/default.nix
+++ b/pkgs/development/python-modules/pyimpfuzzy/default.nix
@@ -4,20 +4,26 @@
   fetchPypi,
   ssdeep,
   pefile,
+  setuptools,
 }:
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pyimpfuzzy";
   version = "0.5";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   src = fetchPypi {
-    inherit pname version;
-    sha256 = "da9796df302db4b04a197128637f84988f1882f1e08fdd69bbf9fdc6cfbaf349";
+    pname = "pyimpfuzzy";
+    inherit (finalAttrs) version;
+    hash = "sha256-2peW3zAttLBKGXEoY3+EmI8YgvHgj91pu/n9xs+680k=";
   };
 
+  build-system = [ setuptools ];
+
   buildInputs = [ ssdeep ];
 
-  propagatedBuildInputs = [ pefile ];
+  dependencies = [ pefile ];
 
   # no tests
   doCheck = false;
@@ -30,4 +36,4 @@ buildPythonPackage rec {
     license = lib.licenses.gpl2Only;
     maintainers = [ ];
   };
-}
+})