diff --git a/tox.ini b/tox.ini
--- a/tox.ini
+++ b/tox.ini
@@ -3,10 +3,10 @@
 
 [testenv:py3]
 deps =
-  pifpaf
-  nose
+  .[testing]
+  pytest-cov
 commands =
-  pifpaf run postgresql -- nosetests
+  pytest --cov=swh --cov-branch {posargs}
 
 [testenv:flake8]
 skip_install = true
@@ -21,4 +21,3 @@
   check-manifest
 commands =
   {envpython} -m check_manifest {toxinidir}
-