diff --git a/requirements/requirements_docs.txt b/requirements/requirements_docs.txt
index e3a6a18..4751968 100644
--- a/requirements/requirements_docs.txt
+++ b/requirements/requirements_docs.txt
@@ -4,3 +4,4 @@ setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerabil
 sphinx
 #m2r2>=0.2.0
 sphinxcontrib-programoutput
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability