diff --git a/pkgs/servers/home-assistant/custom-components/solax_modbus/package.nix b/pkgs/servers/home-assistant/custom-components/solax_modbus/package.nix
index 7f127bd200a7..a23098e08503 100644
--- a/pkgs/servers/home-assistant/custom-components/solax_modbus/package.nix
+++ b/pkgs/servers/home-assistant/custom-components/solax_modbus/package.nix
@@ -8,21 +8,15 @@
 buildHomeAssistantComponent rec {
   owner = "wills106";
   domain = "solax_modbus";
-  version = "2025.06.1";
+  version = "2025.07.8b1";
 
   src = fetchFromGitHub {
     owner = "wills106";
     repo = "homeassistant-solax-modbus";
     tag = version;
-    hash = "sha256-aKbd/eNzROHF4evFS4sH8+dJwj5f3xZsF4qjTzHIu9g=";
+    hash = "sha256-6/fMAOSfdj5jTTJa8ySygeipS+5P0ZCURhmkSv/e0Sk=";
   };
 
-  postPatch = ''
-    substituteInPlace custom_components/solax_modbus/payload.py --replace-fail \
-      'from pymodbus.utilities import (' \
-      'from pymodbus.pdu.pdu import ('
-  '';
-
   dependencies = [ pymodbus ];
 
   meta = {