diff --git a/requirements.txt b/requirements.txt
index 873e1bf..ec03f72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 aiohttp
-https://github.com/squeaky-pl/japronto/archive/master.zip
\ No newline at end of file
+https://github.com/squeaky-pl/japronto/archive/master.zip
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file