diff --git a/backend/requirements.txt b/backend/requirements.txt
index df035af..504e043 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -16,7 +16,7 @@ idna==3.10
 openai==1.58.1
 packaging==24.1
 pydantic==2.9.2
-pydantic_core==2.24.0
+pydantic_core==2.27.2
 python-dotenv==1.0.1
 requests==2.32.3
 sniffio==1.3.1