diff --git a/packages/typespec-python/dev_requirements.txt b/packages/typespec-python/dev_requirements.txt
index 8554ac4ae2..2d7e2cea1b 100644
--- a/packages/typespec-python/dev_requirements.txt
+++ b/packages/typespec-python/dev_requirements.txt
@@ -1,7 +1,7 @@
 # shall keep aligned with dev_requirements.txt of @typspec/http-client-python
 pyright==1.1.389
 pylint==3.2.7
-tox==4.16.0
+tox==4.23.2
 mypy==1.13.0
 colorama==0.4.6
 debugpy==1.8.2