diff --git a/requirements.txt b/requirements.txt
index ea62d72046ff1cc11a7284a93b53a081de9815f8..3baba2829844c48936fc9453399368f12b3d58f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ fastapi==0.111.0
 pydantic==1.9.0
 uvicorn==0.15.0
 httpx>=0.23.0
+numpy==1.18.0