diff --git a/tox.ini b/tox.ini
index 9eccb482..08ce8fa5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,6 +13,7 @@ deps =
   django111: django>=1.11,<1.12
   pytest-cov
   pytest-django
+  pytest-freezegun
   pytest
   WebTest
   mock