diff --git a/tox.ini b/tox.ini
index 526092fc..1229d735 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,6 +8,8 @@ deps =
     docopt
 # coloroma for colored debug output
     colorama
+# for testing the typing module
+    typing
 setenv =
 # https://github.com/tomchristie/django-rest-framework/issues/1957
 # tox corrupts __pycache__, solution from here: