diff --git a/setup.py b/setup.py
index b662a7e91..6a54e036d 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@
     'yamllint==1.35.1',
     'moto>=4.0,<6',
     'fastapi==0.114.0',
-    'pydantic==2.8.2',
+    'pydantic==2.9.1',
     'uvicorn==0.30.6',
     'pytest-split==0.9.0',
 ]