diff --git a/requirements.txt b/requirements.txt
index df8bda2e2..9aa64fd73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,4 +24,6 @@ bumpversion
 keras==2.3.0
 keras-resnet
 opencv-python
-slidingwindow
\ No newline at end of file
+slidingwindow
+protobuf>=6.33.5 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file