diff --git a/requirements-test.txt b/requirements-test.txt
index 551c3920..da2d2cfe 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,19 +1,21 @@
 decorator  # dependency of swh.core[http]
 djangorestframework-stubs
 django-stubs
 django-test-migrations
 hypothesis
+# TODO: remove that pin once we bump mypy to > 0.950 in tox.ini
+mypy == 0.942
 pytest
 pytest-django
 pytest-mock
 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