diff --git a/pkgs/development/python-modules/shellescape/default.nix b/pkgs/development/python-modules/shellescape/default.nix
index cc31f50cda54..a092ff2ff41a 100644
--- a/pkgs/development/python-modules/shellescape/default.nix
+++ b/pkgs/development/python-modules/shellescape/default.nix
@@ -2,21 +2,26 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "shellescape";
   version = "3.8.1";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "chrissimpkins";
     repo = "shellescape";
-    rev = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-HAe3Qf3lLeVWw/tVkW0J+CfoxSoOnCcWDR2nEWZn7HM=";
   };
 
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [ pytestCheckHook ];
   pythonImportsCheck = [ "shellescape" ];
 
@@ -29,4 +34,4 @@ buildPythonPackage rec {
     ];
     maintainers = with lib.maintainers; [ veprbl ];
   };
-}
+})