diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2684f79b..2891e79a 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -37,7 +37,7 @@ pillow==10.3.0
 psycopg2==2.9.9
 pycparser==2.22
 pydantic==2.7.4
-pydantic_core==2.19.0
+pydantic_core==2.20.0
 PyJWT==2.8.0
 pymongo==4.7.3
 PyMuPDF==1.24.5