diff --git a/pkgs/development/python-modules/gpy/default.nix b/pkgs/development/python-modules/gpy/default.nix
index b6e4b4910e24..e4fbda924760 100644
--- a/pkgs/development/python-modules/gpy/default.nix
+++ b/pkgs/development/python-modules/gpy/default.nix
@@ -1,53 +1,59 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
+, pythonOlder
+, pytestCheckHook
+, setuptools
 , numpy
 , scipy
 , six
 , paramz
 , matplotlib
 , cython
-, nose
 }:
 
 buildPythonPackage rec {
   pname = "GPy";
-  version = "1.10.0";
+  version = "1.13.0";
+  pyproject = true;
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "a2b793ef8d0ac71739e7ba1c203bc8a5afa191058b42caa617e0e29aa52aa6fb";
+  disabled = pythonOlder "3.9";
+
+  # 1.13.0 not on PyPI yet
+  src = fetchFromGitHub {
+    owner = "SheffieldML";
+    repo = "GPy";
+    rev = "refs/tags/v.${version}";
+    hash = "sha256-2HKKKBD/JFSeLQGvvgObxqxv9IHEKFnpaejdKbYZbmY=";
   };
 
+  nativeBuildInputs = [ setuptools ];
   buildInputs = [ cython ];
-  propagatedBuildInputs = [ numpy scipy six paramz matplotlib ];
-  nativeCheckInputs = [ nose ];
+  propagatedBuildInputs = [
+    numpy
+    scipy
+    six
+    paramz
+    matplotlib
+  ];
+  nativeCheckInputs = [ pytestCheckHook ];
 
-  # $ nosetests GPy/testing/*.py
-  # => Ran 483 tests in 112.146s (on 8 cores)
-  # So instead, run shorter set of tests
-  checkPhase = ''
-    nosetests GPy/testing/linalg_test.py
-  '';
-
-  # Rebuild cython-generated .c files since the included
-  # ones were built with an older version of cython that is
-  # incompatible with python3.9
+  # Rebuild cython-generated .c files to ensure compatibility
   preBuild = ''
     for fn in $(find . -name '*.pyx'); do
       echo $fn | sed 's/\.\.pyx$/\.c/' | xargs ${cython}/bin/cython -3
     done
   '';
 
-  pythonImportsCheck = [
-    "GPy"
-  ];
+  pythonImportsCheck = [ "GPy" ];
 
   meta = with lib; {
     description = "Gaussian process framework in Python";
     homepage = "https://sheffieldml.github.io/GPy";
+    changelog = "https://github.com/SheffieldML/GPy/releases/tag/v.${version}";
     license = licenses.bsd3;
     maintainers = with maintainers; [ bcdarwin ];
-    broken = stdenv.isDarwin;  # See inscrutable error message here: https://github.com/NixOS/nixpkgs/pull/107653#issuecomment-751527547
+    broken = stdenv.isDarwin; # See inscrutable error message here: https://github.com/NixOS/nixpkgs/pull/107653#issuecomment-751527547
   };
 }