diff --git a/Changelog.md b/Changelog.md
new file mode 100644
index 0000000..07fb82d
--- /dev/null
+++ b/Changelog.md
@@ -0,0 +1,10 @@
+# Changelog for webextension-rpc
+
+## 0.2.0 (2022-07-24)
+
+- Convert to TypeScript.
+- Use a Symbol to inject RPC information. (**Breaking** change if you used `injectExtraArg`)
+
+## 0.1.0 (2019-10-16)
+
+- Initial version.
diff --git a/package-lock.json b/package-lock.json
index c9919ff..4002c6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "webextension-rpc",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "webextension-rpc",
-      "version": "0.1.0",
+      "version": "0.2.0",
       "license": "CC0-1.0",
       "devDependencies": {
         "@types/firefox-webext-browser": "^94.0.1",
diff --git a/package.json b/package.json
index 96835c7..93edcda 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webextension-rpc",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Remote Procedure Call implementation for WebExtensions, to easily call functions across content scripts and background script.",
   "main": "./lib/index.js",
   "types": "./lib/index.d.ts",