diff --git a/requirements_dev.txt b/requirements_dev.txt
index 56e4545..3d44aa5 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,4 +9,4 @@ Sphinx==1.8.2
 twine==1.12.1
 
 pytest==3.10.0
-pytest-runner==4.2
+pytest-runner==4.4