diff --git a/pkgs/development/python-modules/bellows/default.nix b/pkgs/development/python-modules/bellows/default.nix
index 9d95e4ecd957..444a1ae8eb9e 100644
--- a/pkgs/development/python-modules/bellows/default.nix
+++ b/pkgs/development/python-modules/bellows/default.nix
@@ -18,7 +18,7 @@
 
 buildPythonPackage rec {
   pname = "bellows";
-  version = "0.39.1";
+  version = "0.40.2";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     owner = "zigpy";
     repo = "bellows";
     rev = "refs/tags/${version}";
-    hash = "sha256-e7DGAA2/6tc2+iH/14y/QT7k9a7pgrE5bplTPL3xm2Q=";
+    hash = "sha256-pcyvJsAFJCm6mpGvfWp6WUzdn2Z7Fr2G6B5uEXZDhIg=";
   };
 
   postPatch = ''