diff --git a/pubsub/CHANGELOG.md b/pubsub/CHANGELOG.md
index 85af38e15069..4c525ab2a09b 100644
--- a/pubsub/CHANGELOG.md
+++ b/pubsub/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 [1]: https://pypi.org/project/google-cloud-pubsub/#history
 
+## 0.35.3
+
+### Implementation Changes
+
+- Add additional error handling to unary RPCs (#5438)
+
 ## 0.35.2
 
 ### Implementation Changes
diff --git a/pubsub/setup.py b/pubsub/setup.py
index fd97318fee06..d755d3e99b2c 100644
--- a/pubsub/setup.py
+++ b/pubsub/setup.py
@@ -22,7 +22,7 @@
 
 name = 'google-cloud-pubsub'
 description = 'Google Cloud Pub/Sub API client library'
-version = '0.35.2'
+version = '0.35.3'
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'