diff --git a/PlayAssetDelivery/BundletoolScriptSample/requirements.txt b/PlayAssetDelivery/BundletoolScriptSample/requirements.txt
index 8d30a43b..20abe985 100644
--- a/PlayAssetDelivery/BundletoolScriptSample/requirements.txt
+++ b/PlayAssetDelivery/BundletoolScriptSample/requirements.txt
@@ -1 +1 @@
-protobuf==3.18.3
+protobuf==6.33.5