diff --git a/requirements_for_test.txt b/requirements_for_test.txt
index dbab7d519..01b31a53a 100644
--- a/requirements_for_test.txt
+++ b/requirements_for_test.txt
@@ -1,6 +1,6 @@
 -r requirements.txt
 flake8==3.5.0
-pytest==3.3.0
+pytest==3.3.1
 pytest-mock==1.6.3
 pytest-cov==2.5.1
 pytest-xdist==1.20.1