diff --git a/requirements_dev.txt b/requirements_dev.txt
index f63454b..63c04d3 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,5 +9,5 @@ coverage==4.5.2
 twine==1.12.1
 
 pytest==4.4.0
-pytest-runner==4.2
+pytest-runner==6.0.0
 mypy==0.700