diff --git a/tox.ini b/tox.ini
index a7200a3f3..b33c07002 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,6 +23,8 @@ deps =
        pytest-django==2.6.1
        django-filter==0.7
        defusedxml==0.3
+       markdown>=2.1.0
+       PyYAML>=3.10
 
 [testenv:py27-flake8]
 deps =