diff --git a/tox.ini b/tox.ini
index 92a36e12..a2aec2e1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,18 +1,26 @@
 [tox]
 envlist=flake8,py3
 
 [testenv:py3]
 deps =
   .[testing]
   pytest-cov
   pytest-django
 commands =
   pytest --hypothesis-profile=swh-web-fast --cov {envsitepackagesdir}/swh/web --cov-branch {posargs} {envsitepackagesdir}/swh/web
 
+[testenv:py3-slow]
+deps =
+  .[testing]
+  pytest-cov
+  pytest-django
+commands =
+  pytest --hypothesis-profile=swh-web --cov {envsitepackagesdir}/swh/web --cov-branch {posargs} {envsitepackagesdir}/swh/web
+
 [testenv:flake8]
 skip_install = true
 deps =
   flake8
 commands =
   {envpython} -m flake8 \
     --exclude=.tox,.git,__pycache__,.eggs,*.egg,node_modules