diff --git a/pkgs/development/python-modules/grpclib/default.nix b/pkgs/development/python-modules/grpclib/default.nix
index e1c167319a32..e4964bee1541 100644
--- a/pkgs/development/python-modules/grpclib/default.nix
+++ b/pkgs/development/python-modules/grpclib/default.nix
@@ -1,10 +1,10 @@
 {
   lib,
-  async-timeout,
   buildPythonPackage,
   certifi,
   faker,
   fetchFromGitHub,
+  fetchpatch,
   googleapis-common-protos,
   h2,
   multidict,
@@ -28,6 +28,15 @@ buildPythonPackage rec {
     hash = "sha256-Z+DMwGMUxNTQ7ABd4q/FgMHEZ/NCOtst+6QfQJm3jVU=";
   };
 
+  patches = [
+    # https://github.com/vmagamedov/grpclib/pull/209
+    (fetchpatch {
+      name = "replace-async-timeout-with-asyncio-timeout-patch";
+      url = "https://github.com/vmagamedov/grpclib/commit/36b23ce3ca3f1742e39b50f939d13cd08b4f28ac.patch";
+      hash = "sha256-3ztLBOFpTK8CFIp8a6suhWXY5kIBCBRWBX/oAyYU4yI=";
+    })
+  ];
+
   build-system = [ setuptools ];
 
   dependencies = [
@@ -38,7 +47,6 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     pytestCheckHook
     pytest-asyncio_0
-    async-timeout
     faker
     googleapis-common-protos
     certifi