diff --git a/examples/langchain-python-rag-document/requirements.txt b/examples/langchain-python-rag-document/requirements.txt
index 09a54191949..ae2ed87c866 100644
--- a/examples/langchain-python-rag-document/requirements.txt
+++ b/examples/langchain-python-rag-document/requirements.txt
@@ -107,3 +107,4 @@ websockets==11.0.3
 Werkzeug==2.3.6
 wrapt==1.15.0
 yarl==1.9.2
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability