diff --git a/requirements-aiohttp.txt b/requirements-aiohttp.txt
index da90e9ddf..c3e1857e0 100644
--- a/requirements-aiohttp.txt
+++ b/requirements-aiohttp.txt
@@ -1,4 +1,4 @@
-aiohttp>=2.2.5,<3.5.2
+aiohttp>=2.2.5
 aiohttp-swagger>=1.0.5
 ujson>=1.35
 aiohttp_jinja2==0.15.0
diff --git a/setup.py b/setup.py
index ed14c0ffd..a5ff0e82f 100755
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@ def read_version(package):
 swagger_ui_require = 'swagger-ui-bundle>=0.0.2'
 flask_require = 'flask>=1.0.4'
 aiohttp_require = [
-    'aiohttp>=2.3.10,<3.5.2',
+    'aiohttp>=2.3.10',
     'aiohttp-jinja2>=0.14.0'
 ]
 ujson_require = 'ujson>=1.35'
diff --git a/tests/test_cli.py b/tests/test_cli.py
index cd7624f53..f7bcbe136 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -262,6 +262,7 @@ def test_run_with_wsgi_containers(mock_app_run, spec_file):
 def test_run_with_aiohttp_not_installed(mock_app_run, spec_file):
     import sys
     aiohttp_bkp = sys.modules.pop('aiohttp', None)
+    sys.modules['aiohttp'] = None
 
     runner = CliRunner()