diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e399c4..9a3e91d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [1.0.0](https://www.github.com/googleapis/python-appengine-admin/compare/v0.2.0...v1.0.0) (2021-06-02)
+
+
+### Features
+
+* bump release level to production/stable ([#23](https://www.github.com/googleapis/python-appengine-admin/issues/23)) ([4cb1678](https://www.github.com/googleapis/python-appengine-admin/commit/4cb167891b8d926389dd9561de8ea7b5314906c4))
+
+
+### Miscellaneous Chores
+
+* release as 1.0.0 ([#28](https://www.github.com/googleapis/python-appengine-admin/issues/28)) ([de071b0](https://www.github.com/googleapis/python-appengine-admin/commit/de071b09a7ec19637452856e1bbdb522e5f1d050))
+
 ## [0.2.0](https://www.github.com/googleapis/python-appengine-admin/compare/v0.1.0...v0.2.0) (2021-05-28)
 
 
diff --git a/setup.py b/setup.py
index 656ca90..95bf78d 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
 import setuptools  # type: ignore
 
 name = "google-cloud-appengine-admin"
-version = "0.2.0"
+version = "1.0.0"
 description = "App Engine Admin API client library"
 release_status = "Development Status :: 5 - Production/Stable"
 url = "https://github.com/googleapis/python-appengine-admin"