diff --git a/tox.ini b/tox.ini
index a09de76..baf4d58 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,7 @@ envlist = py36,py37,flake8
 
 [testenv]
 usedevelop=True
+deps = requests
 commands = python setup.py test
 
 [testenv:flake8]