diff --git a/packages/google-cloud-os-config/CHANGELOG.md b/packages/google-cloud-os-config/CHANGELOG.md
index 902675cc535f..f8c392e0c19c 100644
--- a/packages/google-cloud-os-config/CHANGELOG.md
+++ b/packages/google-cloud-os-config/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [1.0.0](https://www.github.com/googleapis/python-os-config/compare/v0.1.2...v1.0.0) (2020-11-18)
+
+
+### ⚠ BREAKING CHANGES
+
+* rename attributes that conflict with builtins (#24)
+    * `Instance.type` ->`Instance.type_`
+    * `GcsObject.object` -> `GcsObject.object_`
+    * `PatchInstanceFilter.all` -> `PatchInstanceFilter.all_`
+
+### Features
+
+* add async client ([#8](https://www.github.com/googleapis/python-os-config/issues/8)) ([33f46ba](https://www.github.com/googleapis/python-os-config/commit/33f46ba4aa34e066a70a5ad792254574b5985f83))
+* add patch rollout to patch deployments ([#24](https://www.github.com/googleapis/python-os-config/issues/24)) ([4d8605e](https://www.github.com/googleapis/python-os-config/commit/4d8605e2d92af271b2c363490926689266c1d4b6))
+* add common resource path helpers ([#24](https://www.github.com/googleapis/python-os-config/issues/24)) ([4d8605e](https://www.github.com/googleapis/python-os-config/commit/4d8605e2d92af271b2c363490926689266c1d4b6))
+* make client transport public ([#24](https://www.github.com/googleapis/python-os-config/issues/24)) ([4d8605e](https://www.github.com/googleapis/python-os-config/commit/4d8605e2d92af271b2c363490926689266c1d4b6))
+---
 ### [0.1.2](https://www.github.com/googleapis/python-os-config/compare/v0.1.1...v0.1.2) (2020-06-11)
 
 
diff --git a/packages/google-cloud-os-config/setup.py b/packages/google-cloud-os-config/setup.py
index 8fddd69b86ed..1c691523c5d9 100644
--- a/packages/google-cloud-os-config/setup.py
+++ b/packages/google-cloud-os-config/setup.py
@@ -24,7 +24,7 @@
 
 name = "google-cloud-os-config"
 description = "Google Cloud OS Config API client library"
-version = "0.1.2"
+version = "1.0.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'