diff --git a/api-tools/requirements.txt b/api-tools/requirements.txt
index e10c665..98bde08 100644
--- a/api-tools/requirements.txt
+++ b/api-tools/requirements.txt
@@ -4,3 +4,4 @@ isort
 pathlib>=1.0.1
 requests>=2.27.1
 toml
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability