diff --git a/days/97-99-online-game-api/demo_app/web/requirements.txt b/days/97-99-online-game-api/demo_app/web/requirements.txt
index 43703402..d586a5c2 100644
--- a/days/97-99-online-game-api/demo_app/web/requirements.txt
+++ b/days/97-99-online-game-api/demo_app/web/requirements.txt
@@ -1,3 +1,4 @@
 flask
 sqlalchemy
-werkzeug>=2.2.3 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file
+werkzeug>=2.2.3 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file