diff --git a/pkgs/development/python-modules/fastapi-mail/default.nix b/pkgs/development/python-modules/fastapi-mail/default.nix
index 16a3e0c67666..9fb8d61ee0cc 100644
--- a/pkgs/development/python-modules/fastapi-mail/default.nix
+++ b/pkgs/development/python-modules/fastapi-mail/default.nix
@@ -1,27 +1,26 @@
 {
   lib,
-  aioredis,
   aiosmtplib,
   blinker,
   buildPythonPackage,
   email-validator,
   fakeredis,
-  fastapi,
   fetchFromGitHub,
   httpx,
   jinja2,
   poetry-core,
-  pydantic,
   pydantic-settings,
+  pydantic,
   pytest-asyncio,
   pytestCheckHook,
-  python-multipart,
   pythonOlder,
+  redis,
+  starlette,
 }:
 
 buildPythonPackage rec {
   pname = "fastapi-mail";
-  version = "1.4.1";
+  version = "1.4.2";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -30,7 +29,7 @@ buildPythonPackage rec {
     owner = "sabuhish";
     repo = "fastapi-mail";
     rev = "refs/tags/${version}";
-    hash = "sha256-2iTZqZIxlt1GKhElasTcnys18UbNNDwHoZziHBOIGBo=";
+    hash = "sha256-QypW7yE5jBkS1Q4XPIOktWnCmCXGoUzZF/SdWmFsPX8=";
   };
 
   pythonRelaxDeps = [
@@ -38,27 +37,24 @@ buildPythonPackage rec {
     "pydantic"
   ];
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace-fail 'version = "1.2.5"' 'version = "${version}"'
-  '';
-
   build-system = [ poetry-core ];
 
   dependencies = [
-    aioredis
     aiosmtplib
     blinker
     email-validator
     fakeredis
-    fastapi
-    httpx
     jinja2
     pydantic
     pydantic-settings
-    python-multipart
+    starlette
   ];
 
+  optional-dependencies = {
+    httpx = [ httpx ];
+    redis = [ redis ];
+  };
+
   nativeCheckInputs = [
     pytest-asyncio
     pytestCheckHook