diff --git a/requirements.txt b/requirements.txt
index 2c0f10b..ef54149 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@
 
 pystan==3.7.0
 
-fastapi==0.95.2
+fastapi==0.109.1
 gunicorn==20.1.0
 uvicorn==0.22.0