diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2936b7..a28ba4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.0.0](https://www.github.com/googleapis/python-service-usage/compare/v0.2.2...v1.0.0) (2021-08-03)
+
+
+### Features
+
+* bump release level to production/stable ([#28](https://www.github.com/googleapis/python-service-usage/issues/28)) ([6627d2d](https://www.github.com/googleapis/python-service-usage/commit/6627d2dddf686a6ecc355891989928ca33003f00))
+
 ### [0.2.2](https://www.github.com/googleapis/python-service-usage/compare/v0.2.1...v0.2.2) (2021-07-29)
 
 
diff --git a/setup.py b/setup.py
index bd371c1..0a61721 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-service-usage"
 description = "Service Usage API client library"
-version = "0.2.2"
+version = "1.0.0"
 release_status = "Development Status :: 5 - Production/Stable"
 url = "https://github.com/googleapis/python-service-usage"
 dependencies = [