diff --git a/src/requirements.txt b/src/requirements.txt
index 64162d789..8d65f995a 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -12,3 +12,4 @@ icalendar
 elasticsearch
 dockerfile-parse
 defusedxml
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability