diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2e9d9fe..054d751 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,6 +7,6 @@ coverage==5.5
 Sphinx==3.5.2
 twine==3.4.1
 pytest==6.2.2
-pytest-runner==5.3.0
+pytest-runner==5.3.1
 pytest-mock==3.5.1
 -r requirements.txt