diff --git a/tox.ini b/tox.ini
index 4b16a55a..f68b7019 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,20 +1,22 @@
 [tox]
 envlist=flake8,py3
 
 [testenv:py3]
 deps =
+  # the dependency below is needed for now as a workaround for
+  #   https://github.com/pypa/pip/issues/6239
+  swh.core[http] >= 0.0.61
   .[testing]
-  .[server]
   pytest-cov
   pifpaf
   pytest-django
 commands =
   pifpaf run postgresql -- pytest --cov {envsitepackagesdir}/swh/deposit --cov-branch {posargs} {envsitepackagesdir}/swh/deposit
 
 [testenv:flake8]
 skip_install = true
 deps =
   flake8
 commands =
   {envpython} -m flake8 \
     --exclude=.tox,.git,__pycache__,.tox,.eggs,*.egg,swh/deposit/migrations