diff --git a/requirements.txt b/requirements.txt
index b3701e3..d7f30e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@ anyio==3.5.0
 asgiref==3.5.0
 click==8.0.3
 fastapi==0.73.0
+gunicorn==20.1.0
 h11==0.13.0
 httptools==0.3.0
 idna==3.3