diff --git a/requirements.txt b/requirements.txt
index 933cc38..1b0cbcc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,3 +25,4 @@ tomlkit==0.11.6
 typing_extensions==4.4.0
 Werkzeug==2.2.2
 wrapt==1.14.1
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability