diff --git a/tox.ini b/tox.ini
index f458c07dd..6d2050a66 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/wcs/{env:BRANCH_NAME:main}/{env:EXECUTOR_NUMBER:}
-envlist = py3-django111-pylint-coverage, py3-django22
+envlist = py3-django111-black-pylint-coverage, py3-django22
 
 [testenv]
 sitepackages = true
@@ -42,6 +42,8 @@ deps =
     pyproj
     pylint
     Quixote>=3.0,<3.2
+    pre-commit
 commands =
     py.test -v {env:COVERAGE:} --junitxml=junit-{envname}.xml {posargs:tests/}
     pylint: ./pylint.sh wcs/
+    black: pre-commit run black --all-files --show-diff-on-failure