diff --git a/requirements-docs.txt b/requirements-docs.txt
index 5038ac5..2eeaeed 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -5,3 +5,4 @@ sphinxcontrib-images
 pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
 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