diff --git a/requirements.txt b/requirements.txt
index 25f34a9..266a420 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,3 +17,4 @@ plotly
 fpdf
 jinja2
 markdown
+jupyter-server>=2.11.2 # not directly required, pinned by Snyk to avoid a vulnerability