diff --git a/mkdocs-requirements.txt b/mkdocs-requirements.txt
index 338b108..e165038 100644
--- a/mkdocs-requirements.txt
+++ b/mkdocs-requirements.txt
@@ -9,3 +9,4 @@ pymdown-extensions==10.0.1
 ## Requirements for 'pymdown-extensions'.
 Pygments==2.15.1
 requests>=2.32.0 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability