diff --git a/backend/requirements.txt b/backend/requirements.txt
index fecbd45..7c18f7e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -9,9 +9,9 @@ google-api-python-client>=2.0.0
 pyjwt==2.10.*
 requests==2.32.*
 python-dateutil==2.9.*
+pydantic==2.11.3
 starlette==0.46.2
 fastapi==0.115.12
-pydantic==2.4.2
 python-multipart==0.0.20
 python-dotenv>=0.19.0