diff --git a/.github/workflows/pr-merged.yml b/.github/workflows/pr-merged.yml
index 4a626d0..5f522f8 100644
--- a/.github/workflows/pr-merged.yml
+++ b/.github/workflows/pr-merged.yml
@@ -7,8 +7,7 @@ on:
 name: '[autorelease] PR merged'
 
 permissions:
-  contents: read
-  pull-requests: write
+  contents: write
 
 jobs:
   merge:
diff --git a/.github/workflows/release-published.yml b/.github/workflows/release-published.yml
index b3049ce..af9321a 100644
--- a/.github/workflows/release-published.yml
+++ b/.github/workflows/release-published.yml
@@ -5,6 +5,9 @@ on:
 
 name: '[autorelease] Release published'
 
+permissions:
+  contents: write
+
 jobs:
   update-ref:
     runs-on: ubuntu-latest
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2d6da7..d5ab2c4 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [3.0.0] - 2024-02-04
+## [Unreleased]
 
 ### Changed
 
@@ -102,8 +102,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Initial content including change log
 
-[3.0.0]: https://github.com/release-flow/keep-a-changelog-action/compare/v2.2.1...v3.0.0
-
 [2.2.1]: https://github.com/release-flow/keep-a-changelog-action/compare/v2.2.0...v2.2.1
 
 [2.2.0]: https://github.com/release-flow/keep-a-changelog-action/compare/v2.1.0...v2.2.0