diff --git a/CHANGELOG.md b/CHANGELOG.md
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+# Changelog
+
+## [1.0.0](https://www.github.com/googleapis/gapic-generator-java/compare/v0.0.21...v1.0.0) (2021-03-01)
+
+
+### Bug Fixes
+
+* add common srcs to test, check test targets only in codecov ([#669](https://www.github.com/googleapis/gapic-generator-java/issues/669)) ([f81ed0b](https://www.github.com/googleapis/gapic-generator-java/commit/f81ed0bdede477c51cd6755b5050933319a442c9))
+* **release:** update gax-java to 1.62.0 ([#675](https://www.github.com/googleapis/gapic-generator-java/issues/675)) ([51ed181](https://www.github.com/googleapis/gapic-generator-java/commit/51ed181f9fa2747604054214db79e1f2398b1dac))
diff --git a/version.txt b/version.txt
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+1.0.0