diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0f8f011..8341cd4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ coverage==4.5.1
 flake8==3.5.0
 pytest==3.5.0
 Sphinx==1.7.2
-pytest-runner==4.2
+pytest-runner==5.3.1
 tox==3.0.0
 watchdog==0.8.3
 zest.releaser[recommended]==6.14.0