diff --git a/pkgs/development/python-modules/thermopro-ble/default.nix b/pkgs/development/python-modules/thermopro-ble/default.nix
index 83c6b11858f1..08430d51d81f 100644
--- a/pkgs/development/python-modules/thermopro-ble/default.nix
+++ b/pkgs/development/python-modules/thermopro-ble/default.nix
@@ -11,16 +11,16 @@
   sensor-state-data,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "thermopro-ble";
-  version = "1.1.3";
+  version = "1.1.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "bluetooth-devices";
     repo = "thermopro-ble";
-    tag = "v${version}";
-    hash = "sha256-LyFA/O7nsmbg8KxT07Z0l+GEnTWF/IG0ykIN/8FK8Es=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-goTJwTMaWBm5gc0/LOkjpKeRTkLStHkKJYsbE5Wj/X4=";
   };
 
   build-system = [ poetry-core ];
@@ -42,8 +42,8 @@ buildPythonPackage rec {
   meta = {
     description = "Library for Thermopro BLE devices";
     homepage = "https://github.com/bluetooth-devices/thermopro-ble";
-    changelog = "https://github.com/Bluetooth-Devices/thermopro-ble/releases/tag/${src.tag}";
+    changelog = "https://github.com/Bluetooth-Devices/thermopro-ble/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})