diff --git a/doc/requirements.txt b/doc/requirements.txt
index 436cc89d0c..cfadbea82f 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -20,3 +20,5 @@ 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
+jupyter-server>=2.20.0 # not directly required, pinned by Snyk to avoid a vulnerability
+tornado>=6.5.7 # not directly required, pinned by Snyk to avoid a vulnerability