diff --git a/requirements/requirements_dev.txt b/requirements/requirements_dev.txt
index 8a2e1cee66..745cf546e5 100644
--- a/requirements/requirements_dev.txt
+++ b/requirements/requirements_dev.txt
@@ -10,6 +10,7 @@ pyflakes==2.2.0
 pytest==3.6.0
 pytest-cov==2.8.1
 pytest-django==3.9.0
+pytest-forked==1.2.0  # https://github.com/pytest-dev/pytest-forked/commit/664645adb28cb74c6b4caea6869842e60df82667
 pytest-pythonpath
 pytest-mock==1.11.1
 pytest-timeout==1.3.4