diff --git a/requirements_dev.txt b/requirements_dev.txt
index 643ad27..9c7b545 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,6 +9,6 @@ cryptography==3.4.7
 Sphinx==3.5.3
 PyYAML==5.4.1
 pytest==6.2.3
-pytest-runner==5.3.0
+pytest-runner==5.3.1
 vcrpy==2.1.1
 twine==3.4.1