diff --git a/requirements.txt b/requirements.txt
index 4306d9c..1044bac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,3 +20,5 @@ jsonschema>=4.20.0
 # Statistical models and analysis
 scikit-learn>=1.3.0
 statsmodels>=0.14.0
+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