diff --git a/requirements_dev.txt b/requirements_dev.txt
index f5a1c67..b293ef1 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,6 +3,6 @@ flake8==3.5.0
 tox==3.7.0
 coverage==4.5.1
 Sphinx==1.8.5
-pytest==4.3.1
+pytest==9.0.3
 prospector[with_vulture]==1.1.6.2