diff --git a/tests/functional/model_func_test.py b/tests/functional/model_func_test.py
index 7a597f4..0af5918 100644
--- a/tests/functional/model_func_test.py
+++ b/tests/functional/model_func_test.py
@@ -174,6 +174,7 @@ async def test_error_on_missing_type_in_model(swagger_dict, sample_model, http_c
     assert "'name' is a required property" in str(excinfo.value)
 
 
+@pytest.mark.xfail(reason='Fails with aiohttp 3 due to https://github.com/mindflayer/python-mocket/issues/66')
 @pytest.mark.asyncio
 async def test_model_in_body_of_request(swagger_dict, sample_model, http_client):
     param_spec = {
diff --git a/tests/functional/request_func_test.py b/tests/functional/request_func_test.py
index c955037..86af079 100644
--- a/tests/functional/request_func_test.py
+++ b/tests/functional/request_func_test.py
@@ -12,6 +12,7 @@
 from tests.functional.conftest import swagger_client
 
 
+@pytest.mark.xfail(reason='Fails with aiohttp 3 due to https://github.com/mindflayer/python-mocket/issues/66')
 @pytest.mark.asyncio
 async def test_form_params_in_request(swagger_dict, http_client):
     param1_spec = {