diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67280c7a..5fec1378 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+## v3.0.0 - 2024-12-31
+
 > 🆙 **This update is including the major update of [Marp Core](https://github.com/marp-team/marp-core) and [Marp CLI](https://github.com/marp-team/marp-cli) v3 → v4.** Please check "**[Changes in new Marp Core v4](https://github.com/orgs/marp-team/discussions/533)**" for details.
 
 ### ⚡️ Breaking
diff --git a/package-lock.json b/package-lock.json
index 6ba86dca..b79af2e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "marp-vscode",
-  "version": "2.8.0",
+  "version": "3.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "marp-vscode",
-      "version": "2.8.0",
+      "version": "3.0.0",
       "license": "MIT",
       "dependencies": {
         "@marp-team/marp-cli": "^4.0.4"
diff --git a/package.json b/package.json
index 5c0ff6f8..4d98dd76 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "marp-vscode",
   "displayName": "Marp for VS Code",
   "publisher": "marp-team",
-  "version": "2.8.0",
+  "version": "3.0.0",
   "description": "Create slide deck written in Marp Markdown on VS Code",
   "categories": [
     "Other"