diff --git a/backend/requirements.txt b/backend/requirements.txt
index dafd2e5..df12c2f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,3 +1,3 @@
 uvicorn==0.34.2
 fastapi==0.115.12
-pydantic==2.11.4
+pydantic==2.11.9