diff --git a/pkgs/development/python-modules/caio/default.nix b/pkgs/development/python-modules/caio/default.nix
index a7dcab5cacd4..6416c4d364ba 100644
--- a/pkgs/development/python-modules/caio/default.nix
+++ b/pkgs/development/python-modules/caio/default.nix
@@ -25,6 +25,11 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
+  disabledTests = [
+    # fixture 'loop' not found
+    "test_operations_cancel_cleanly"
+  ];
+
   pythonImportsCheck = [
     "caio"
   ];