diff --git a/requirements_dev.txt b/requirements_dev.txt
index afb028c..b24afa4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,6 +4,6 @@ flake8==3.7.8
 wheel==0.33.6
 coverage==4.5.4
 tox==3.14.0
-pytest-runner==5.1
+pytest-runner==5.3.1
 Sphinx==2.2.0
 pytest==5.2.1