diff --git a/requirements.txt b/requirements.txt
index 1acc2db..bda08db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ fastapi>=0.49.0
 uvicorn>=0.11.7
 pytest>=5.3.5
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
+starlette>=0.40.0 # not directly required, pinned by Snyk to avoid a vulnerability