diff --git a/requirements_dev.txt b/requirements_dev.txt
index c95b643..030122e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,4 +9,4 @@ Sphinx==2.1.2
 twine==1.13.0
 
 pytest==5.0.1
-pytest-runner==5.1
+pytest-runner==6.0.1