diff --git a/examples/citation_with_extraction/requirements.txt b/examples/citation_with_extraction/requirements.txt
index 33b5a0802..8accce023 100644
--- a/examples/citation_with_extraction/requirements.txt
+++ b/examples/citation_with_extraction/requirements.txt
@@ -3,4 +3,5 @@ uvicorn
 openai>=1.0.0
 pydantic
 instructor
-regex
\ No newline at end of file
+regex
+starlette>=0.40.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file