diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 816df2d..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.1"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 793e25e..6a1b8bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://github.com/clovisphere/blip/compare/v0.3.1...v0.4.0) (2026-06-17)
+
+
+### Features
+
+* **ui:** add per-level theming to play screen ([d6b2027](https://github.com/clovisphere/blip/commit/d6b20279a79adb3efd61158da6f699559740f346))
+
 ## [0.3.1](https://github.com/clovisphere/blip/compare/v0.3.0...v0.3.1) (2026-06-12)
 
 
diff --git a/package.json b/package.json
index 8d88ef4..3b09769 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "blip",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "private": true,
   "scripts": {
     "dev": "bun run server.js",