diff --git a/stacks/f1-stream/files/backend/requirements.txt b/stacks/f1-stream/files/backend/requirements.txt
index f724afaa..15882990 100644
--- a/stacks/f1-stream/files/backend/requirements.txt
+++ b/stacks/f1-stream/files/backend/requirements.txt
@@ -2,3 +2,4 @@ fastapi==0.115.0
 uvicorn[standard]
 httpx>=0.27.0
 apscheduler>=3.10.0,<4.0
+pydantic>=2.0.0