diff --git a/CHANGELOG.md b/CHANGELOG.md
index 730f294f..28d31710 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,17 @@
 
 [1]: https://pypi.org/project/google-cloud-trace/#history
 
+## [1.0.0](https://www.github.com/googleapis/python-trace/compare/v0.24.0...v1.0.0) (2020-09-14)
+
+
+### ⚠ BREAKING CHANGES
+
+* migrate to microgenerator. See [Migration Guide](https://github.com/googleapis/python-trace/blob/master/UPGRADING.md) (#29)
+
+### Features
+
+* migrate to microgenerator ([#29](https://www.github.com/googleapis/python-trace/issues/29)) ([f0d9d91](https://www.github.com/googleapis/python-trace/commit/f0d9d9161d7aee344ad1765c477947cd04505bf5))
+
 ## [0.24.0](https://www.github.com/googleapis/python-trace/compare/v0.23.0...v0.24.0) (2020-08-06)
 
 
diff --git a/setup.py b/setup.py
index b28c9d7d..d959e699 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-trace"
 description = "Stackdriver Trace API client library"
-version = "0.24.0"
+version = "1.0.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'