diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3cf104e9..e6f87756 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.5.0"
+  ".": "4.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2e3ad09..d5953196 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## [4.0.0](https://github.com/TexteaInc/json-viewer/compare/json-viewer-v3.5.0...json-viewer-v4.0.0) (2024-09-15)
+
+
+### ⚠ BREAKING CHANGES
+
+* remove deprecated `createDataType` and `displayObjectSize`
+* migrate to MUI v6
+
+### Features
+
+* migrate to MUI v6 ([5ed7245](https://github.com/TexteaInc/json-viewer/commit/5ed7245fee96239e5a09dda22531795cc3121eb2))
+* remove deprecated `createDataType` and `displayObjectSize` ([2923478](https://github.com/TexteaInc/json-viewer/commit/2923478feaa6685f4afccffe31ad54faab290a0c))
+
 ## [3.5.0](https://github.com/TexteaInc/json-viewer/compare/json-viewer-v3.4.1...json-viewer-v3.5.0) (2024-08-26)
 
 
diff --git a/package.json b/package.json
index 9611924b..24da1c34 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@textea/json-viewer",
   "description": "Interactive Json Viewer, but not only a json viewer",
   "packageManager": "pnpm@9.10.0",
-  "version": "3.5.0",
+  "version": "4.0.0",
   "license": "MIT",
   "repository": {
     "type": "git",