diff --git a/pkgs/development/python-modules/termgraph/default.nix b/pkgs/development/python-modules/termgraph/default.nix
index 8eeef9940d16..1ed4c7eeb11d 100644
--- a/pkgs/development/python-modules/termgraph/default.nix
+++ b/pkgs/development/python-modules/termgraph/default.nix
@@ -2,6 +2,7 @@
   buildPythonPackage,
   colorama,
   fetchFromGitHub,
+  hatchling,
   lib,
   pytestCheckHook,
 }:
@@ -9,7 +10,7 @@
 buildPythonPackage rec {
   pname = "termgraph";
   version = "0.7.5";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mkaz";
@@ -18,6 +19,8 @@ buildPythonPackage rec {
     hash = "sha256-DptokK79yAfQDuhN2d/HfcaRq//0pF81VkhMfz05Hb0=";
   };
 
+  build-system = [ hatchling ];
+
   propagatedBuildInputs = [ colorama ];
 
   nativeCheckInputs = [ pytestCheckHook ];