diff --git a/setup.py b/setup.py
index 2aa43a52..10e2653d 100644
--- a/setup.py
+++ b/setup.py
@@ -67,6 +67,9 @@ setup(name='dependency-injector',
           'flask': [
               'flask',
           ],
+          'aiohttp': [
+              'aiohttp',
+          ],
       },
       zip_safe=True,
       license='BSD New',
diff --git a/tox.ini b/tox.ini
index b64be5f1..27bacf45 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,6 +8,7 @@ deps=
 extras=
     yaml
     flask
+    aiohttp
 commands=
     unit2 discover -s tests/unit -p test_*_py3*.py
 
@@ -27,6 +28,9 @@ commands=
     coveralls
 
 [testenv:py27]
+extras=
+    yaml
+    flask
 commands=
     unit2 discover -s tests/unit -p test_*_py2_py3.py