diff --git a/requirements-test.txt b/requirements-test.txt
index 0ae00754..edf6fd1d 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,19 +1,19 @@
 decorator  # dependency of swh.core[http]
 djangorestframework-stubs
 django-stubs < 1.10.0
 django-test-migrations
 hypothesis
 pytest < 7.0.0  # v7.0.0 removed _pytest.tmpdir.TempdirFactory, which is used by some of the pytest plugins we use
 pytest-django
 pytest-mock
-pytest-postgresql
+pytest-postgresql < 4.0.0
 requests-mock != 1.9.0, != 1.9.1
 swh.core[http] >= 0.0.95
 swh.loader.git >= 0.8.0
 swh-scheduler[testing] >= 0.5.0
 swh.storage >= 0.1.1
 types-chardet
 types-docutils
 types-psycopg2
 types-pyyaml
 types-requests