diff --git a/pkgs/development/python-modules/yapsy/default.nix b/pkgs/development/python-modules/yapsy/default.nix
index 161620530ab8..044ce2cf8318 100644
--- a/pkgs/development/python-modules/yapsy/default.nix
+++ b/pkgs/development/python-modules/yapsy/default.nix
@@ -1,21 +1,28 @@
 { lib
-, stdenv
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
+, setuptools
 , pytestCheckHook
 }:
 
-buildPythonPackage rec {
+buildPythonPackage {
   pname = "yapsy";
-  version = "1.12.2";
-  format = "setuptools";
+  version = "1.12.2-unstable-2023-03-29";
+  pyproject = true;
 
-  src = fetchPypi {
-    pname = "Yapsy";
-    inherit version;
-    sha256 = "12rznbnswfw0w7qfbvmmffr9r317gl1rqg36nijwzsklkjgks4fq";
+  src = fetchFromGitHub {
+    owner = "tibonihoo";
+    repo = "yapsy";
+    rev = "6b487b04affb19ab40adbbc87827668bea0abcee";
+    hash = "sha256-QKZlUAhYMCCsT/jbEHb39ESZ2+2FZYnhJnc1PgsozBA=";
   };
 
+  sourceRoot = "source/package";
+
+  build-system = [
+    setuptools
+  ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "yapsy" ];
@@ -23,6 +30,6 @@ buildPythonPackage rec {
   meta = with lib; {
     homepage = "https://yapsy.sourceforge.net/";
     description = "Yet another plugin system";
-    license = licenses.bsd0;
+    license = licenses.bsd2;
   };
 }