diff --git a/tests/requirements.txt b/tests/requirements.txt
index beb0cf0cb..f0a0adddb 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,4 +1,6 @@
 hiredis==0.2.0
-flake8==3.2.1
-pytest==3.0.5
-pytest-cov==2.4.0
+flake8==3.4.1
+coverage==4.4.1
+pytest==3.2.2
+pytest-cov==2.5.1
+pytest-xdist==1.20.0