diff --git a/pkgs/development/python-modules/intbitset/default.nix b/pkgs/development/python-modules/intbitset/default.nix
index b214a51f168f..92ce856a3243 100644
--- a/pkgs/development/python-modules/intbitset/default.nix
+++ b/pkgs/development/python-modules/intbitset/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "intbitset";
-  version = "4.1.0";
+  version = "4.1.2";
   pyproject = true;
 
   src = fetchPypi {
     inherit (finalAttrs) pname version;
-    hash = "sha256-cxRf8F5CJ8dlhf+FUGOLagg80TABC3gQRdga9Y97aSA=";
+    hash = "sha256-+C+v4Ly0/noBDZQgmbWoTXIdN8iXU47WMveIliwUEfg=";
   };
 
   build-system = [ setuptools ];