diff --git a/requirements_dev.txt b/requirements_dev.txt
index f1b4c31..29427c4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -13,4 +13,4 @@ Sphinx==2.2.0
 sphinx_rtd_theme==0.4.3
 bumpversion==0.5.3
 watchdog==0.9.0
-pytest-runner==5.1
+pytest-runner==6.0.0