diff --git a/pkgs/development/python-modules/justbytes/default.nix b/pkgs/development/python-modules/justbytes/default.nix
index dde6c5d4bd0..f517c30c01b 100644
--- a/pkgs/development/python-modules/justbytes/default.nix
+++ b/pkgs/development/python-modules/justbytes/default.nix
@@ -1,25 +1,28 @@
 { lib
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
 , justbases
+, unittestCheckHook
 , hypothesis
 }:
 
 buildPythonPackage rec {
   pname = "justbytes";
-  version = "0.15";
+  version = "0.15.2";
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-qrMO9X0v5yYjeWa72mogegR+ii8tCi+o7qZ+Aff2wZQ=";
+  src = fetchFromGitHub {
+    owner = "mulkieran";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    hash = "sha256-+jwIK1ZU+j58VoOfZAm7GdFy7KHU28khwzxhYhcws74=";
   };
 
   propagatedBuildInputs = [ justbases ];
-  nativeCheckInputs = [ hypothesis ];
+  nativeCheckInputs = [ unittestCheckHook hypothesis ];
 
   meta = with lib; {
     description = "computing with and displaying bytes";
-    homepage = "https://pythonhosted.org/justbytes";
+    homepage = "https://github.com/mulkieran/justbytes";
     license = licenses.lgpl2Plus;
     maintainers = with maintainers; [ nickcao ];
   };