diff --git a/server/requirements.txt b/server/requirements.txt
index e4bef66..60e899f 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -17,3 +17,4 @@ pyparsing==3.0.9
 python-dateutil==2.8.2
 six==1.16.0
 Werkzeug==2.2.3
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability