diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 9b7f66f4a020..d8ca4527dda2 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -117,6 +117,16 @@ let
         };
       });
 
+      pymodbus = super.pymodbus.overridePythonAttrs (oldAttrs: rec {
+        version = "2.5.3";
+        src = fetchFromGitHub {
+          owner = "riptideio";
+          repo = "pymodbus";
+          rev= "refs/tags/v${version}";
+          hash = "sha256-pf1TU/imBqNVYdG4XX8fnma8O8kQHuOHu6DT3E/PUk4=";
+        };
+      });
+
       python-slugify = super.python-slugify.overridePythonAttrs (oldAttrs: rec {
         pname = "python-slugify";
         version = "4.0.1";