diff --git a/setup.py b/setup.py
index 3c4728c96e..2eb5838a64 100644
--- a/setup.py
+++ b/setup.py
@@ -68,7 +68,7 @@ def read_version():
         "pytest-cov",
         "pytest-rerunfailures",
         "pytest-timeout",
-        "pytest-xdist",
+        "pytest-xdist==2.4.0",
         "coverage<6.2",
         "mock",
         "contextlib2",