diff --git a/pkgs/development/python-modules/mung/default.nix b/pkgs/development/python-modules/mung/default.nix
index 5001a59e60d2..03fcd29dba75 100644
--- a/pkgs/development/python-modules/mung/default.nix
+++ b/pkgs/development/python-modules/mung/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, setuptools
 , lxml
 , numpy
 , pytestCheckHook
@@ -12,6 +13,7 @@ in
 buildPythonPackage {
   pname = "mung";
   inherit version;
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "OMR-Research";
@@ -20,7 +22,9 @@ buildPythonPackage {
     hash = "sha256-NSKaJkJRevTy5gh6/ik8Qe46bOPdznsmXPgh7Xz7vXQ=";
   };
 
-  format = "setuptools";
+  nativeBuildInputs = [
+    setuptools
+  ];
 
   propagatedBuildInputs = [
     lxml
@@ -32,6 +36,10 @@ buildPythonPackage {
     pytestCheckHook
   ];
 
+  pythonImportsCheck = [
+    "mung"
+  ];
+
   meta = with lib; {
     description = "Music Notation Graph: a data model for optical music recognition";
     homepage = "https://github.com/OMR-Research/mung";