diff --git a/requirements.txt b/requirements.txt
index a704f11..aa0d081 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,3 +15,4 @@ seaborn>=0.9.0
 statsmodels>=0.9
 tensorboard>=1.12.0
 xgboost>=0.7.2
+jupyter-server>=2.11.2 # not directly required, pinned by Snyk to avoid a vulnerability