diff --git a/requirements_dev.txt b/requirements_dev.txt
index f04bbf7..1db1126 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,5 +9,5 @@ Sphinx==1.6.5
 cryptography==2.1.3
 PyYAML==3.12
 pytest==3.2.5
-pytest-runner==3.0
+pytest-runner==5.0
 requests==2.18.4
\ No newline at end of file