diff --git a/pkgs/development/python-modules/pymitsubishi/default.nix b/pkgs/development/python-modules/pymitsubishi/default.nix
index 25e4253730c1..82ab38deb2ad 100644
--- a/pkgs/development/python-modules/pymitsubishi/default.nix
+++ b/pkgs/development/python-modules/pymitsubishi/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "pymitsubishi";
-  version = "0.4.1";
+  version = "0.4.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pymitsubishi";
     repo = "pymitsubishi";
     tag = "v${version}";
-    hash = "sha256-Uh3hlgXYgGDZDpEJInLX323fftVciwh9fLEKF2Kozq0=";
+    hash = "sha256-QjHMIzl2VV1S8tNWsFLgLDNX6/0wN9FeIJIo5KgkDVE=";
   };
 
   build-system = [ setuptools ];