diff --git a/examples/service-fastapi/requirements.txt b/examples/service-fastapi/requirements.txt
index 64716c7929..be3e6aca08 100644
--- a/examples/service-fastapi/requirements.txt
+++ b/examples/service-fastapi/requirements.txt
@@ -2,3 +2,4 @@ fastapi
 httpx
 python-multipart
 uvicorn
+h11>=0.16.0 # not directly required, pinned by Snyk to avoid a vulnerability