diff --git a/requirements.txt b/requirements.txt
index 3ccd8b9..2200c37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 asyncio-nats-client
 aioredis
 https://github.com/squeaky-pl/japronto/archive/master.zip
-apscheduler
\ No newline at end of file
+apscheduler
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file