diff --git a/requirements/requirements_docs.txt b/requirements/requirements_docs.txt
index 9b8cea7..338b135 100644
--- a/requirements/requirements_docs.txt
+++ b/requirements/requirements_docs.txt
@@ -1,2 +1,3 @@
 sphinx
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability