diff --git a/pkgs/development/python-modules/astor/default.nix b/pkgs/development/python-modules/astor/default.nix
index c13e6d4cfab0..f2bbfd03d615 100644
--- a/pkgs/development/python-modules/astor/default.nix
+++ b/pkgs/development/python-modules/astor/default.nix
@@ -1,30 +1,37 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
+  fetchFromGitHub,
+  setuptools,
   pytestCheckHook,
+  unstableGitUpdater,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage {
   pname = "astor";
-  version = "0.8.1";
-  format = "setuptools";
+  version = "0.8.1-unstable-2024-03-30";
+  pyproject = true;
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "0ppscdzzvxpznclkmhhj53iz314x3pfv4yc7c6gwxqgljgdgyvka";
+  src = fetchFromGitHub {
+    owner = "berkerpeksag";
+    repo = "astor";
+    rev = "df09001112f079db54e7c5358fa143e1e63e74c4";
+    hash = "sha256-VF+harl/q2yRU2yqN1Txud3YBNSeedQNw2SZNYQFsno=";
   };
 
-  # disable tests broken with python3.6: https://github.com/berkerpeksag/astor/issues/89
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
   disabledTests = [
     # https://github.com/berkerpeksag/astor/issues/196
     "test_convert_stdlib"
-    # https://github.com/berkerpeksag/astor/issues/212
-    "test_huge_int"
   ];
 
+  passthru.updateScript = unstableGitUpdater {
+    branch = "master";
+  };
+
   meta = with lib; {
     description = "Library for reading, writing and rewriting python AST";
     homepage = "https://github.com/berkerpeksag/astor";