diff --git a/requirements/extras/gcpubsub.txt b/requirements/extras/gcpubsub.txt
index d12950867..c566ed336 100644
--- a/requirements/extras/gcpubsub.txt
+++ b/requirements/extras/gcpubsub.txt
@@ -1,4 +1,4 @@
 google-cloud-pubsub>=2.18.4
 google-cloud-monitoring>=2.16.0
 grpcio==1.75.1
-protobuf==6.32.1
+protobuf==6.33.2