diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4b2cdc6..567e2fb 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  "wavedance": "0.3.0"
+  "wavedance": "0.4.0"
 }
diff --git a/wavedance/CHANGELOG.md b/wavedance/CHANGELOG.md
index 5ef0b6f..27e92c4 100644
--- a/wavedance/CHANGELOG.md
+++ b/wavedance/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [0.4.0](https://github.com/biering/wavedance/compare/wavedance-v0.3.0...wavedance-v0.4.0) (2026-06-22)
+
+
+### Features
+
+* added plasma animation & cleanup ([7794bbc](https://github.com/biering/wavedance/commit/7794bbc858d30bf03d9b287258e2b2e5a75cb8c6))
+
+
+### Bug Fixes
+
+* tsconfig ([62b3d1b](https://github.com/biering/wavedance/commit/62b3d1b412d393a7bc3afc1b005f5675cd3331e1))
+
 ## [0.3.0](https://github.com/biering/wavedance/compare/wavedance-v0.2.1...wavedance-v0.3.0) (2026-06-08)
 
 
diff --git a/wavedance/package.json b/wavedance/package.json
index 1fab18f..ef52cfc 100644
--- a/wavedance/package.json
+++ b/wavedance/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wavedance",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "High-performance animated dot-grid canvas library",
   "type": "module",
   "sideEffects": false,