diff --git a/docs/requirements.txt b/docs/requirements.txt
index 898468cb..2385eb97 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1 +1,2 @@
-mkdocs-material
\ No newline at end of file
+mkdocs-material
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file