diff --git a/requirements_dev.txt b/requirements_dev.txt
index d6ad529..c85baaa 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,4 +7,4 @@ coverage==4.4.1
 Sphinx==1.6.3
 PyYAML==3.12
 pytest==3.2.3
-pytest-runner==2.12.1
+pytest-runner==4.4