diff --git a/pkgs/development/python-modules/foobot-async/default.nix b/pkgs/development/python-modules/foobot-async/default.nix
index dd12bd185a95..0145b4951155 100644
--- a/pkgs/development/python-modules/foobot-async/default.nix
+++ b/pkgs/development/python-modules/foobot-async/default.nix
@@ -23,6 +23,12 @@ buildPythonPackage rec {
     hash = "sha256-QQjysk2m8QkOpLBdC8kfuoA9PcljgEwzKyrIAhxHB4c=";
   };
 
+  postPatch = ''
+    # https://github.com/reefab/foobot_async/issues/7
+    substituteInPlace foobot_async/__init__.py \
+      --replace-fail "with async_timeout.timeout" "async with async_timeout.timeout"
+  '';
+
   build-system = [ setuptools ];
 
   dependencies = [