diff --git a/pkgs/development/python-modules/yalexs/default.nix b/pkgs/development/python-modules/yalexs/default.nix
index 02e72f9244fc..52ffe95c057a 100644
--- a/pkgs/development/python-modules/yalexs/default.nix
+++ b/pkgs/development/python-modules/yalexs/default.nix
@@ -39,6 +39,9 @@ buildPythonPackage rec {
     requests
   ];
 
+  # aiounittest is not supported on 3.12
+  doCheck = pythonOlder "3.12";
+
   nativeCheckInputs = [
     aioresponses
     aiounittest