diff --git a/src/requirements/dev.txt b/src/requirements/dev.txt
index 6b9cb86de4..4dfadffead 100644
--- a/src/requirements/dev.txt
+++ b/src/requirements/dev.txt
@@ -9,7 +9,7 @@ codecov
 coverage
 pytest==3.6.*
 pytest-django
-pytest-xdist
+pytest-xdist==1.27.*
 isort
 pytest-rerunfailures==4.*
 pytest-mock==1.6.*