1 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/development/python-modules/aiohttp/default.nix b/pkgs/development/python-modules/aiohttp/default.nix
index 40dec3e1c1e..0cecdb0291e 100644
--- a/pkgs/development/python-modules/aiohttp/default.nix
+++ b/pkgs/development/python-modules/aiohttp/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , fetchPypi
 , pythonOlder
+, pythonAtLeast
 , attrs
 , chardet
 , multidict
@@ -25,14 +26,14 @@
 buildPythonPackage rec {
   pname = "aiohttp";
   version = "3.6.2";
+  # https://github.com/aio-libs/aiohttp/issues/4525 python3.8 failures
+  disabled = pythonOlder "3.5" || pythonAtLeast "3.8";
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "09pkw6f1790prnrq0k8cqgnf1qy57ll8lpmc6kld09q7zw4vi6i5";
   };
 
-  disabled = pythonOlder "3.5";
-
   checkInputs = [
     pytestrunner pytest gunicorn pytest-timeout async_generator pytest_xdist
     pytest-mock pytestcov trustme brotlipy freezegun