diff --git a/tox.ini b/tox.ini
index a55891fc..b73fff22 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,13 +5,12 @@ envlist=
 [testenv]
 deps=
     unittest2
+    # TODO: Hotfix, remove when fixed https://github.com/aio-libs/aiohttp/issues/5107
+    typing_extensions
 extras=
     yaml
     flask
     aiohttp
-
-    # TODO: Hotfix, remove when fixed https://github.com/aio-libs/aiohttp/issues/5107
-    typing_extensions
 commands=
     unit2 discover -s tests/unit -p test_*_py3*.py
 
@@ -31,6 +30,8 @@ commands=
     coveralls
 
 [testenv:py27]
+deps=
+    unittest2
 extras=
     yaml
     flask
@@ -38,6 +39,8 @@ commands=
     unit2 discover -s tests/unit -p test_*_py2_py3.py
 
 [testenv:py34]
+deps=
+    unittest2
 extras=
     flask
 commands=
@@ -51,6 +54,8 @@ commands=
     unit2 discover -s tests/unit -p test_*_py3.py
 
 [testenv:pypy]
+deps=
+    unittest2
 extras=
     yaml
     flask