diff --git a/docs_requirements.txt b/docs_requirements.txt
index e8155c3d..297df360 100644
--- a/docs_requirements.txt
+++ b/docs_requirements.txt
@@ -2,3 +2,4 @@ mkdocs
 mkdocs-material
 pymdown-extensions
 fontawesome-markdown
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability