diff --git a/pkgs/development/python-modules/zamg/default.nix b/pkgs/development/python-modules/zamg/default.nix
index f69c27f8f072..5ddb4f8606fc 100644
--- a/pkgs/development/python-modules/zamg/default.nix
+++ b/pkgs/development/python-modules/zamg/default.nix
@@ -2,6 +2,7 @@
   lib,
   aiohttp,
   aresponses,
+  async-timeout,
   buildPythonPackage,
   fetchFromGitHub,
   poetry-core,
@@ -25,9 +26,14 @@ buildPythonPackage rec {
     hash = "sha256-j864+3c0GDDftdLqLDD0hizT54c0IgTjT77jOneXlq0=";
   };
 
+  pythonRelaxDeps = [ "async-timeout" ];
+
   build-system = [ poetry-core ];
 
-  dependencies = [ aiohttp ];
+  dependencies = [
+    aiohttp
+    async-timeout
+  ];
 
   nativeCheckInputs = [
     aresponses