diff --git a/pkgs/development/python-modules/serialx/default.nix b/pkgs/development/python-modules/serialx/default.nix
index 9bea94f2bc35..b95486ac7663 100644
--- a/pkgs/development/python-modules/serialx/default.nix
+++ b/pkgs/development/python-modules/serialx/default.nix
@@ -1,9 +1,11 @@
 {
+  aioesphomeapi,
   buildPythonPackage,
   cargo,
   fetchFromGitHub,
   lib,
   psutil,
+  pythonAtLeast,
   pytest-asyncio,
   pytest-xdist,
   pytestCheckHook,
@@ -49,6 +51,10 @@ buildPythonPackage (finalAttrs: {
     typing-extensions
   ];
 
+  optional-dependencies.esphome = lib.optionals (pythonAtLeast "3.14") [
+    aioesphomeapi
+  ];
+
   pythonImportsCheck = [ "serialx" ];
 
   nativeCheckInputs = [