diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 83202d4f8..22d6f32d1 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -2,7 +2,7 @@ google-cloud-pubsub==2.29.0
 avro==1.12.0
 protobuf===4.24.4; python_version == '3.7'
 protobuf===5.29.4; python_version == '3.8'
-protobuf==6.31.0; python_version >= '3.9'
+protobuf==6.31.1; python_version >= '3.9'
 avro==1.12.0
 opentelemetry-api===1.22.0; python_version == '3.7'
 opentelemetry-sdk===1.22.0; python_version == '3.7'