diff --git a/requirements_dev.txt b/requirements_dev.txt
index 49617df..fd81cb2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,7 +9,7 @@ coverage==4.1
 # https://github.com/sphinx-doc/sphinx/issues/3212
 docutils==0.12
 Sphinx==1.4.8
-pytest==2.9.2
+pytest==9.0.3
 pytest-catchlog==1.2.2
 pytest-mock==1.5.0
 responses==0.5.1