diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index fbfc0f4d3..110c3b79a 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1 +1 @@
-google-cloud-pubsub==1.4.2
+google-cloud-pubsub==1.4.3