diff --git a/requirements.txt b/requirements.txt
index 19b029a..cb6b37b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,5 @@ fastapi
 pydantic
 uvicorn
 redis
-debugpy
\ No newline at end of file
+debugpy
+starlette>=0.47.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file