diff --git a/pkgs/development/python-modules/allpairspy/default.nix b/pkgs/development/python-modules/allpairspy/default.nix
index f108b0eabf60..351ff745373f 100644
--- a/pkgs/development/python-modules/allpairspy/default.nix
+++ b/pkgs/development/python-modules/allpairspy/default.nix
@@ -1,6 +1,6 @@
 { lib
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
 , pytestCheckHook
 , setuptools
 }:
@@ -10,9 +10,11 @@ buildPythonPackage rec {
   version = "2.5.1";
   format = "pyproject";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-9p0xo7Vu7hGdHsYGPpxzLdRPu6NS73OMsi2WmfxACf4=";
+  src = fetchFromGitHub {
+    owner = "thombashi";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    hash = "sha256-0wzoQDHB7Tt80ZTlKrNxFutztsgUuin5D2eb80c4PBI=";
   };
 
   nativeCheckInputs = [