diff --git a/requirements_dev.txt b/requirements_dev.txt
index ea164a7f..1cfacd2b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ coverage==4.5.1
 Sphinx==1.7.7
 cryptography==2.3.1
 pytest==4.5.0
-pytest-runner==3.0
+pytest-runner==6.0.1
 pytest_cov
 twine==1.9.1
 magicmock==0.3