diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..dd08a48
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,7 @@
+# Changelog
+
+## [v0.1.0](https://github.com/natureglobal/go-letsencrypt-s3provider/compare/3cda9a4124e5...v0.1.0) (2019-06-21)
+
+* introduce go modules to lock dependencies [#3](https://github.com/natureglobal/go-letsencrypt-s3provider/pull/3) ([Songmu](https://github.com/Songmu))
+* Migrate to officia go-aws-sdk from mitchelh/goamz [#2](https://github.com/natureglobal/go-letsencrypt-s3provider/pull/2) ([Songmu](https://github.com/Songmu))
+* Update go-acme/lego to latest [#1](https://github.com/natureglobal/go-letsencrypt-s3provider/pull/1) ([Songmu](https://github.com/Songmu))
diff --git a/version.go b/version.go
index d41e5a2..1953e96 100644
--- a/version.go
+++ b/version.go
@@ -1,5 +1,5 @@
 package main
 
-const version = "0.0.0"
+const version = "0.1.0"
 
 var revision = "HEAD"