diff --git a/pubsub/requirements.txt b/pubsub/requirements.txt
index 018907cc6e577d42074bf2eaa6ae32650ec3c9c5..39923eaad06dd6242630d420388b29da0c4b65bd 100644
--- a/pubsub/requirements.txt
+++ b/pubsub/requirements.txt
@@ -1 +1 @@
-google-cloud-pubsub==2.15.1
\ No newline at end of file
+google-cloud-pubsub==2.23.0
\ No newline at end of file