diff --git a/CHANGELOG.md b/CHANGELOG.md
index db46abb..07eacf6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# [0.5.4-build.20250830] (2025-08-30)
+
+* Merge pull request #18 from KGAudioLab/feat/2025-08-29-new-instruments (3f087e2)
+* feat: added 28 new instruments. (3dae319)
+
 # [0.5.3-build.20250829] (2025-08-29)
 
 * Merge pull request #17 from KGAudioLab/fix/2025-08-24-misc (d5dbe90)
diff --git a/package.json b/package.json
index 93555d0..865bda2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "K.G.Studio",
   "private": true,
-  "version": "0.5.3-build.20250829",
+  "version": "0.5.4-build.20250830",
   "type": "module",
   "scripts": {
     "dev": "vite",