diff --git a/requirements/test.txt b/requirements/test.txt
index 5794c7cd..872b2957 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -1,4 +1,4 @@
-pytest
+pytest==3.1.3
 pytest-cov==2.5.1
 pytest-asyncio==0.6.0
 flake8==3.3.0