diff --git a/packages/typespec-python/dev_requirements.txt b/packages/typespec-python/dev_requirements.txt
index 2d7e2cea1be..38102ddc5ce 100644
--- a/packages/typespec-python/dev_requirements.txt
+++ b/packages/typespec-python/dev_requirements.txt
@@ -1,5 +1,5 @@
 # shall keep aligned with dev_requirements.txt of @typspec/http-client-python
-pyright==1.1.389
+pyright==1.1.391
 pylint==3.2.7
 tox==4.23.2
 mypy==1.13.0