diff --git a/Documentation/sphinx/requirements.txt b/Documentation/sphinx/requirements.txt
index 76b4255061d09f..ce14a846ed9860 100644
--- a/Documentation/sphinx/requirements.txt
+++ b/Documentation/sphinx/requirements.txt
@@ -2,3 +2,4 @@
 alabaster
 Sphinx
 pyyaml
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability