diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d45d77..10c7ee5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [v0.18.0](https://github.com/x-motemen/blogsync/compare/v0.17.0...v0.18.0) - 2023-10-28
+- Drop testify dependency by @Songmu in https://github.com/x-motemen/blogsync/pull/113
+- Output debug logs for API access by @Songmu in https://github.com/x-motemen/blogsync/pull/115
+- use git log to determine when a file was last updated by @Songmu in https://github.com/x-motemen/blogsync/pull/118
+- add fetch subcommand by @Songmu in https://github.com/x-motemen/blogsync/pull/116
+
 ## [v0.17.0](https://github.com/x-motemen/blogsync/compare/v0.16.1...v0.17.0) - 2023-10-22
 - Add PreviewURL field by @Mahito in https://github.com/x-motemen/blogsync/pull/104
 - [incompatible] change log output dest to stderr by @Songmu in https://github.com/x-motemen/blogsync/pull/106
diff --git a/action.yml b/action.yml
index 83b7d21..166db6f 100644
--- a/action.yml
+++ b/action.yml
@@ -3,7 +3,7 @@ description: setup blogsync to publish to Hatena Blog
 inputs:
   version:
     description: "A version to install blogsync"
-    default: "v0.17.0"
+    default: "v0.18.0"
     required: false
 runs:
   using: 'composite'
diff --git a/version.go b/version.go
index 147da24..ac720f7 100644
--- a/version.go
+++ b/version.go
@@ -1,5 +1,5 @@
 package main
 
-const version = "0.17.0"
+const version = "0.18.0"
 
 var revision = "HEAD"