diff --git a/doc/requirements.txt b/doc/requirements.txt
index 43a4b80665..934e4ad585 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -12,4 +12,6 @@ matplotlib
 seaborn
 mypy_extensions>=0.4
 # mistune<2
-jupyterlab>=4.4.8 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file
+jupyterlab>=4.4.8 # not directly required, pinned by Snyk to avoid a vulnerability
+fonttools>=4.61.0 # not directly required, pinned by Snyk to avoid a vulnerability
+tornado>=6.5.3 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file