diff --git a/doc/requirements.txt b/doc/requirements.txt
index 436cc89d0c..a337821250 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -20,3 +20,4 @@ notebook
 sphinx-autodoc-typehints
 fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
 jupyterlab>=4.4.8 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.6.0 # not directly required, pinned by Snyk to avoid a vulnerability