diff --git a/pkgs/development/python-modules/bitsandbytes/default.nix b/pkgs/development/python-modules/bitsandbytes/default.nix
index 29b135fb27fa..b814a9825022 100644
--- a/pkgs/development/python-modules/bitsandbytes/default.nix
+++ b/pkgs/development/python-modules/bitsandbytes/default.nix
@@ -26,9 +26,6 @@
 }:
 
 let
-  pname = "bitsandbytes";
-  version = "0.49.1";
-
   brokenConditions = lib.attrsets.filterAttrs (_: cond: cond) {
     "CUDA and ROCm are mutually exclusive" = cudaSupport && rocmSupport;
     "CUDA is not targeting Linux" = cudaSupport && !stdenv.hostPlatform.isLinux;
@@ -73,15 +70,16 @@ let
     paths = cuda-common-redist;
   };
 in
-buildPythonPackage {
-  inherit pname version;
+buildPythonPackage (finalAttrs: {
+  pname = "bitsandbytes";
+  version = "0.49.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "bitsandbytes-foundation";
     repo = "bitsandbytes";
-    tag = version;
-    hash = "sha256-nNhxDJITXNIZMXuZdzpF5dl1K1kFEVQ0gbTqZnOf/sI=";
+    tag = finalAttrs.version;
+    hash = "sha256-Z7C159ZpdthQppXibzA06rAglfM3Hmwd7LX4bPjk1Eo=";
   };
 
   patches = [
@@ -204,11 +202,11 @@ buildPythonPackage {
   meta = {
     description = "8-bit CUDA functions for PyTorch";
     homepage = "https://github.com/bitsandbytes-foundation/bitsandbytes";
-    changelog = "https://github.com/bitsandbytes-foundation/bitsandbytes/releases/tag/${version}";
+    changelog = "https://github.com/bitsandbytes-foundation/bitsandbytes/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [
       bcdarwin
       jk
     ];
   };
-}
+})