Index: tox.ini
diff --git a/tox.ini b/tox.ini
index 0083acc023bf9f7ad54e7a62d7c26cb0760da18c..352da4cccb543ddc89b5be424bfa46bd1ebd2312 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,10 @@ putty-ignore =
 setenv =
     PYTHONPATH = {toxinidir}/..
 deps =
+    pycrypto
+    pillow
     pytest
+    pytest-cov
     jinja2
     # flake8-putty is not yet compatible with flake8 3.0
     flake8==2.*
@@ -27,5 +30,5 @@ deps =
     pep8-naming
     hg+https://hg.adblockplus.org/codingtools#egg=flake8-eyeo&subdirectory=flake8-eyeo
 commands =
-    py.test tests
+    pytest tests --capture=sys --cov-config .coveragerc --cov=buildtools --cov-report=term-missing
     flake8