diff --git a/requirements.txt b/requirements.txt
index a704f11..9a046b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,3 +15,5 @@ seaborn>=0.9.0
 statsmodels>=0.9
 tensorboard>=1.12.0
 xgboost>=0.7.2
+tornado>=6.3.3 # not directly required, pinned by Snyk to avoid a vulnerability
+werkzeug>=3.0.1 # not directly required, pinned by Snyk to avoid a vulnerability