diff --git a/pkgs/development/python-modules/toonapi/default.nix b/pkgs/development/python-modules/toonapi/default.nix
index d2dcaa4897cb..3d33b1c6ea25 100644
--- a/pkgs/development/python-modules/toonapi/default.nix
+++ b/pkgs/development/python-modules/toonapi/default.nix
@@ -4,16 +4,15 @@
   backoff,
   buildPythonPackage,
   fetchFromGitHub,
-  pythonOlder,
+  fetchpatch,
   yarl,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "toonapi";
   version = "0.3.0";
-  format = "setuptools";
-
-  disabled = pythonOlder "3.8";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "frenck";
@@ -22,7 +21,18 @@ buildPythonPackage rec {
     hash = "sha256-RaN9ppqJbTik1/vNX0/YLoBawrqjyQWU6+FLTspIxug=";
   };
 
-  propagatedBuildInputs = [
+  patches = [
+    # https://github.com/frenck/python-toonapi/pull/15
+    (fetchpatch {
+      name = "replace-async-timeout-with-asyncio.timeout.patch";
+      url = "https://github.com/frenck/python-toonapi/commit/a04f1d8bcbcf48889dae49219d2edadbeb2dfa01.patch";
+      hash = "sha256-EMK11M+2OTnIB7oWavpQKNQq0ZLuSxYQlC6On7ob1xU=";
+    })
+  ];
+
+  build-system = [ setuptools ];
+
+  dependencies = [
     aiohttp
     backoff
     yarl