diff --git a/requirements/test.txt b/requirements/test.txt
index 6476c892..f28432a3 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -1,4 +1,4 @@
-pytest >= 3.10
+pytest == 3.9.3
 pytest-helpers-namespace
 pytest-xdist
 pytest-cov