diff --git a/setup.cfg b/setup.cfg
index 54e44eb..99eabf9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -28,7 +28,7 @@ install_requires = mwparserfromhell>=0.6.2
 [options.extras_require]
 dev =
     # For running tests.
-    pytest==6.2.4
+    pytest==9.0.3
     coverage
     # Style checking.
     flake8==3.9.2