diff --git a/requirements.txt b/requirements.txt
index 5eb089a..6af6d57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,3 +25,4 @@ python_docx>=0.8.11
 duckdb
 pyzstd
 pydantic
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability