diff --git a/pkgs/development/python-modules/bitstring/default.nix b/pkgs/development/python-modules/bitstring/default.nix
index a61a159a71ec..55a6094c131b 100644
--- a/pkgs/development/python-modules/bitstring/default.nix
+++ b/pkgs/development/python-modules/bitstring/default.nix
@@ -2,13 +2,14 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pythonOlder
+, bitarray
 , setuptools
 , unittestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "bitstring";
-  version = "4.0.2";
+  version = "4.1.2";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -16,14 +17,18 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "scott-griffiths";
     repo = pname;
-    rev = "bitstring-${version}";
-    hash = "sha256-LghfDjf/Z1dEU0gjH1cqMb04ChnW+aGDjmN+RAhMWW8=";
+    rev = "refs/tags/bitstring-${version}";
+    hash = "sha256-e4OnXwEuXz5m8d2PZOL5zDw8iGEzUg8LLk+xs/eGleA=";
   };
 
   nativeBuildInputs = [
     setuptools
   ];
 
+  propagatedBuildInputs = [
+    bitarray
+  ];
+
   nativeCheckInputs = [ unittestCheckHook ];
 
   pythonImportsCheck = [ "bitstring" ];