diff --git a/requirements.txt b/requirements.txt
index 64d3370..8e64772 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,3 +12,4 @@ ipdb
 psycopg2-binary==2.9.*
 python-decouple==3.5
 pytz
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability