diff --git a/backend/requirements.txt b/backend/requirements.txt
index 01671e8..3cad7d0 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -105,3 +105,4 @@ tzdata==2022.7
 tzlocal==4.2
 urllib3==1.26.13
 uvicorn==0.20.0
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability