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+# Change Log
+
+## [v0.4.9] - 2021-02-21
+
+### Added
+
+* Added support for `NOTIFY_SLACK_INTERVAL` environment variables
+* Added the binary for Mac ARM64
+
+### Changed
+
+* refactoring
+
+## [v0.4.8] - 2020-12-19
+
+### Changed
+
+* Changed version number is included by `go get`
+
+## [v0.4.7] - 2020-07-26
+
+### Added
+
+* Added the binary for Linux ARM64
+* Modify README due to specification changes by Slack
+
+## [v0.4.6] - 2020-04-05
+
+### Changed
+
+* Changed to use Go 1.14
+* Changed a test
+
+## [v0.4.5] - 2020-02-29
+
+### Changed
+
+* Changed to use GoReleaser on GitHub Actions
+
+## [v0.4.4] - 2020-02-02
+
+### Changed
+
+* Changed to use GitHub Actions instead of Circle CI
+
+## [v0.4.3] - 2019-11-01
+
+### Changed
+
+* Changed `url` not to be a required parameter
+* Modified README
+
+## [v0.4.2] - 2019-10-30
+
+### Changed
+
+* Reduced the number of upgrade steps
+* Reduced the number of dependent libraries
+
+## [v0.4.1] - 2019-07-03
+
+### Fixed
+
+* Fixed a bug that caused permission denied error #43 @ryotarai
+
+## [v0.4.0] - 2019-06-22
+
+### Added
+
+* Added `-snippet` option
+* Added support for `NOTIFY_SLACK_*` environment variables
+* Added `~/.notify_slack.toml` as a configuration file
+
+## [v0.3.0] - 2019-03-09
+
+### Added
+
+* Added automatically release file by CircleCI
+
+### Changed
+
+* Changed to use Go 1.12
+* Modified using Go modules
+
+## [v0.2.1] - 2018-09-03
+
+### Added
+
+* Add version output function
+* Added support passing interval from toml file
+
+## [v0.2] - 2018-09-01
+
+### Added
+
+* Added support for uploading to snippet
+
+## [v0.1] - 2017-09-24
+
+* First release