diff --git a/pkgs/development/python-modules/pytest-aio/default.nix b/pkgs/development/python-modules/pytest-aio/default.nix
index ef643d765a7a..5706ffce5ce9 100644
--- a/pkgs/development/python-modules/pytest-aio/default.nix
+++ b/pkgs/development/python-modules/pytest-aio/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "pytest-aio";
-  version = "1.8.1";
+  version = "1.9.0";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -25,7 +25,7 @@ buildPythonPackage rec {
     owner = "klen";
     repo = "pytest-aio";
     rev = "refs/tags/${version}";
-    hash = "sha256-MexIL9yFTzhkJ/61GgYoT54MWV8B0c1/CWkN5FVTvnw=";
+    hash = "sha256-6RxYn8/HAvXv1AEgSIEOLiaBkGgTcqQhWK+xbtxgj/o=";
   };
 
   build-system = [ poetry-core ];