diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 997d5a201..5ee669828 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,6 +1,6 @@
 google-cloud-pubsub==2.31.1
 avro==1.12.0
-protobuf==6.32.1
+protobuf==6.33.5
 avro==1.12.0
 opentelemetry-api==1.37.0
 opentelemetry-sdk==1.37.0