diff --git a/internal/version.txt b/internal/version.txt
index 6da28dd..341cf11 100644
--- a/internal/version.txt
+++ b/internal/version.txt
@@ -1 +1 @@
-0.1.1
\ No newline at end of file
+0.2.0
\ No newline at end of file
diff --git a/package.json b/package.json
index e5edb2a..77ff998 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "v8go-polyfills",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "repository": "git@github.com:kuoruan/v8go-polyfills.git",
   "author": "Xingwang Liao <kuoruan@gmail.com>",
   "license": "MIT",