diff --git a/docs/sphinx/requirements.txt b/docs/sphinx/requirements.txt
index 188f51e62..2d81fa69b 100644
--- a/docs/sphinx/requirements.txt
+++ b/docs/sphinx/requirements.txt
@@ -1 +1,2 @@
-breathe
\ No newline at end of file
+breathe
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file