diff --git a/requirements.txt b/requirements.txt
index ed4111b06..9eed151de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@
 mkdocs~=1.5
 mkdocs-material~=9.5
 mkdocs-macros-plugin~=1.0
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability