diff --git a/requirements-test.txt b/requirements-test.txt
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -3,6 +3,8 @@
 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