diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7164b701b..710cace17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
 ### Security
 
+## [3.10.1] - 2018-07-06
+
+### Fixed
+- backend/gce: use default disk type when no zone is given via VM config
+
 ## [3.10.0] - 2018-07-03
 
 ### Added
@@ -707,7 +712,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
 ### Added
 - Initial release
 
-[Unreleased]: https://github.com/travis-ci/worker/compare/v3.10.0...HEAD
+[Unreleased]: https://github.com/travis-ci/worker/compare/v3.10.1...HEAD
+[3.10.1]: https://github.com/travis-ci/worker/compare/v3.10.0...v3.10.1
 [3.10.0]: https://github.com/travis-ci/worker/compare/v3.9.0...v3.10.0
 [3.9.0]: https://github.com/travis-ci/worker/compare/v3.8.2...v3.9.0
 [3.8.2]: https://github.com/travis-ci/worker/compare/v3.8.1...v3.8.2