diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad6869f..3d9b817 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+# [2.0.0-rc.1](https://github.com/peers/js-binarypack/compare/v1.0.3-rc.1...v2.0.0-rc.1) (2023-02-25)
+
+
+### Features
+
+* return `ArrayBuffer` instead of `Blob` ([689eafd](https://github.com/peers/js-binarypack/commit/689eafd471fccb7eae0d68528b764d691e9d96b2))
+
+
+### BREAKING CHANGES
+
+* Return type of `pack` is now `ArrayBuffer`
+
 ## [1.0.3-rc.1](https://github.com/peers/js-binarypack/compare/v1.0.2...v1.0.3-rc.1) (2023-02-25)
 
 
diff --git a/package-lock.json b/package-lock.json
index eaf43ab..e7d54cc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "peerjs-js-binarypack",
-	"version": "1.0.3-rc.1",
+	"version": "2.0.0-rc.1",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "peerjs-js-binarypack",
-			"version": "1.0.3-rc.1",
+			"version": "2.0.0-rc.1",
 			"license": "MIT",
 			"devDependencies": {
 				"@parcel/packager-ts": "^2.8.3",
diff --git a/package.json b/package.json
index 42bd490..334b978 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "peerjs-js-binarypack",
-	"version": "1.0.3-rc.1",
+	"version": "2.0.0-rc.1",
 	"description": "BinaryPack serialization",
 	"homepage": "https://github.com/peers/js-binarypack",
 	"main": "dist/binarypack.cjs",