diff --git a/requirements_dev.txt b/requirements_dev.txt
index 65f8b9c7..e4fd001b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,5 +8,5 @@ coverage==4.3.4
 Sphinx==1.5.5
 cryptography==1.8.1
 PyYAML==3.12
-pytest==3.0.7
+pytest==3.1.3