diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0ee8c01..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.0"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f43f7e5..68d48ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,29 @@ All notable changes to this project will be documented in this file.
 This project uses [Semantic Versioning](https://semver.org/) and
 [Conventional Commits](https://www.conventionalcommits.org/).
 
+## [0.4.0](https://github.com/pdugan20/clickwheel/compare/v0.3.0...v0.4.0) (2026-03-18)
+
+
+### Features
+
+* add last.fm web auth flow for scrobbling ([0776e2e](https://github.com/pdugan20/clickwheel/commit/0776e2ea6941b363aef9c37e719686870eec3235))
+* auto-scan library before commands, incremental scan, fix improvements ([bb56ab2](https://github.com/pdugan20/clickwheel/commit/bb56ab20966db12c4f01dd74b5cbb140955006aa))
+* modernize CLI UX with interactive prompts, spinners, and live displays ([5b12137](https://github.com/pdugan20/clickwheel/commit/5b12137f43e6939072a62bade6e28ddf47a26961))
+
+
+### Bug Fixes
+
+* allow dashes and double blanks in markdownlint for release-please compat ([8575db8](https://github.com/pdugan20/clickwheel/commit/8575db84572f2a9ad51cdb0d166190af4ec5ed10))
+* lint issues — line length, table alignment, changelog headings ([3e8a9c7](https://github.com/pdugan20/clickwheel/commit/3e8a9c773899b58e193b98a3c73f0418ba8b8389))
+* resolve table title truncation in tests ([428a44e](https://github.com/pdugan20/clickwheel/commit/428a44e3dcf35980bb7a8f4b61a47e67a0a3e3f3))
+* standardize table styling across cli output ([52ef6f0](https://github.com/pdugan20/clickwheel/commit/52ef6f0d9940f92483c08d69bea0e28f92f18082))
+
+
+### Documentation
+
+* update architecture, readme, and claude.md for new features ([b33eef0](https://github.com/pdugan20/clickwheel/commit/b33eef044da603ad0f690ad8d98037bf9f075e86))
+* update tracker with completed end-to-end testing ([054d5eb](https://github.com/pdugan20/clickwheel/commit/054d5eb7d0fb16f7905cf9d789d371a3952a571a))
+
 ## v0.3.0 (2026-03-15)
 
 ### Features