diff --git a/app/backend/requirements.txt b/app/backend/requirements.txt
index 6a13c5f2..7faaa8e2 100644
--- a/app/backend/requirements.txt
+++ b/app/backend/requirements.txt
@@ -25,3 +25,4 @@ tabulate==0.9.0
 tiktoken==0.7.0
 uvicorn==0.30.6
 wikipedia==1.4.0
+pydantic==2.10.1