diff --git a/pkgs/development/python-modules/channels/default.nix b/pkgs/development/python-modules/channels/default.nix
index 3b800877be97..083a79284f24 100644
--- a/pkgs/development/python-modules/channels/default.nix
+++ b/pkgs/development/python-modules/channels/default.nix
@@ -4,6 +4,7 @@
 , daphne
 , django
 , fetchFromGitHub
+, async-timeout
 , pytest-asyncio
 , pytest-django
 , pytestCheckHook
@@ -36,6 +37,7 @@ buildPythonPackage rec {
   };
 
   nativeCheckInputs = [
+    async-timeout
     pytest-asyncio
     pytest-django
     pytestCheckHook