diff --git a/pkgs/development/python-modules/bthome-ble/default.nix b/pkgs/development/python-modules/bthome-ble/default.nix
index b4c6f0219022..313d450c085e 100644
--- a/pkgs/development/python-modules/bthome-ble/default.nix
+++ b/pkgs/development/python-modules/bthome-ble/default.nix
@@ -12,16 +12,16 @@
   sensor-state-data,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "bthome-ble";
-  version = "3.20.0";
+  version = "3.22.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Bluetooth-Devices";
     repo = "bthome-ble";
-    tag = "v${version}";
-    hash = "sha256-xfDnjDs+2v6Up7VR5RV4A3Jbjb0evzOkaj7yIWf0Lhk=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-aUhfcWjElFIIb9xMGuKt4cowSJ6VPXO3xfft7C0stRs=";
   };
 
   build-system = [ poetry-core ];
@@ -44,8 +44,8 @@ buildPythonPackage rec {
   meta = {
     description = "Library for BThome BLE devices";
     homepage = "https://github.com/Bluetooth-Devices/bthome-ble";
-    changelog = "https://github.com/bluetooth-devices/bthome-ble/blob/${src.tag}/CHANGELOG.md";
+    changelog = "https://github.com/bluetooth-devices/bthome-ble/blob/${finalAttrs.src.tag}/CHANGELOG.md";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})