diff --git a/docs/requirements.txt b/docs/requirements.txt
index 73ffd26..00b674b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -5,4 +5,5 @@ sphinx_rtd_theme
 # This allows the sphinx autodoc module
 # to load the Python modules and extract docstrings.
 # -e ..
-pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file
+pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file