diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c6a712..cd1c4f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [1.0.0](https://www.github.com/googleapis/python-memcache/compare/v0.3.0...v1.0.0) (2021-05-28)
+
+
+### Features
+
+* bump release level to production/stable ([#59](https://www.github.com/googleapis/python-memcache/issues/59)) ([b8d9394](https://www.github.com/googleapis/python-memcache/commit/b8d9394dd34b97ddd68f8c73a5f516ba5294a70c))
+* support self-signed JWT flow for service accounts ([2ad1bfb](https://www.github.com/googleapis/python-memcache/commit/2ad1bfbee1f847c1b150b0e1595faba63f42d768))
+
+
+### Bug Fixes
+
+* add async client to %name_%version/init.py ([2ad1bfb](https://www.github.com/googleapis/python-memcache/commit/2ad1bfbee1f847c1b150b0e1595faba63f42d768))
+
+
+### Miscellaneous Chores
+
+* release 1.0.0 ([#62](https://www.github.com/googleapis/python-memcache/issues/62)) ([829a7b7](https://www.github.com/googleapis/python-memcache/commit/829a7b7b0cfedb3a18a61158d7aa949b178ae4fe))
+
 ## [0.3.0](https://www.github.com/googleapis/python-memcache/compare/v0.2.0...v0.3.0) (2021-02-10)
 
 
diff --git a/setup.py b/setup.py
index e9985ee..f8353b2 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "0.3.0"
+version = "1.0.0"
 
 package_root = os.path.abspath(os.path.dirname(__file__))