diff --git a/requirements.txt b/requirements.txt
index ccdf9b6..a6bc1d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ psycopg2-binary==2.9.7
 pytz==2023.3
 sqlparse==0.4.4
 typing-extensions==4.7.1
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability