diff --git a/requirements.txt b/requirements.txt
index a704f11..881240f 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
+protobuf>=4.25.8 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability