diff --git a/dev-requirements.txt b/dev-requirements.txt
index bf68fd5..ab38f88 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -100,7 +100,7 @@ tomli==2.0.1
     #   pip-tools
     #   pyproject-hooks
     #   pytest
-typing-extensions==4.8.0
+typing-extensions==4.9.0
     # via
     #   filelock
     #   mypy