diff --git a/requirements.txt b/requirements.txt
index 8971d5f..6a97702 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,5 @@ coolname>=1.1.0
 tabulate>=0.8.3
 tensorboardX>=1.4
 
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
+protobuf>=3.18.3 # not directly required, pinned by Snyk to avoid a vulnerability