diff --git a/tox.ini b/tox.ini
index b4346c5c..00c7376d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,44 +1,44 @@
 [tox]
 envlist=flake8,mypy,py3-django2
 
 [testenv]
 extras =
   testing
 deps =
   # the dependency below is needed for now as a workaround for
   #   https://github.com/pypa/pip/issues/6239
   swh.core[http] >= 0.0.75
-  dev: ipdb
+  dev: pdbpp
   pytest-cov
   django2: Django>=2,<3
 commands =
   pytest \
   !dev: --cov {envsitepackagesdir}/swh/deposit --cov-branch \
         {envsitepackagesdir}/swh/deposit \
         {posargs}
 
 [testenv:black]
 skip_install = true
 deps =
   black
 commands =
   {envpython} -m black --check swh
 
 [testenv:flake8]
 skip_install = true
 deps =
   flake8
 commands =
   {envpython} -m flake8 \
     --exclude=.tox,.git,__pycache__,.tox,.eggs,*.egg,swh/deposit/migrations
 
 [testenv:mypy]
 setenv = DJANGO_SETTINGS_MODULE=swh.deposit.settings.testing
 extras =
   testing
 deps =
   mypy
   django-stubs
   djangorestframework-stubs
 commands =
   mypy swh