diff --git a/pkgs/development/python-modules/ruuvitag-ble/default.nix b/pkgs/development/python-modules/ruuvitag-ble/default.nix
index 22d199c71f945..07f8ce15efa42 100644
--- a/pkgs/development/python-modules/ruuvitag-ble/default.nix
+++ b/pkgs/development/python-modules/ruuvitag-ble/default.nix
@@ -11,16 +11,16 @@
   sensor-state-data,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "ruuvitag-ble";
-  version = "0.3.0";
+  version = "0.4.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Bluetooth-Devices";
     repo = "ruuvitag-ble";
-    tag = "v${version}";
-    hash = "sha256-5hlO2/YCTc65ImwjJVyWhFe2PTPlQ33aNdqEIxH/lms=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-/xtNT36s7vdU0+1QFW2Of6v3OIQ9e6ZA9K3t9rPw5o8=";
   };
 
   build-system = [ hatchling ];
@@ -40,10 +40,10 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "ruuvitag_ble" ];
 
   meta = {
-    changelog = "https://github.com/Bluetooth-Devices/ruuvitag-ble/releases/tag/${src.tag}";
     description = "Library for Ruuvitag BLE devices";
     homepage = "https://github.com/Bluetooth-Devices/ruuvitag-ble";
+    changelog = "https://github.com/Bluetooth-Devices/ruuvitag-ble/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})