diff --git a/README.md b/README.md
index 0c3fe02..cfc9078 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 This extension plugin embeds `<link rel="preconnect">` tags into HTML files generated by the [HtmlWebpackPlugin](https://github.com/jantimon/html-webpack-plugin)
 
+**NOTE** only support webpack 3.x, currently not supported version webpack 4
+
 ## Introduction
 
 The `preconnect` can be pre-connected api server without having to wait for javascript loading and execute request, save a little time for users.
diff --git a/package-lock.json b/package-lock.json
index 9d7c8e5..3af61ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "html-webpack-preconnect-plugin",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 02453af..40c8261 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "html-webpack-preconnect-plugin",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "Embed <link rel=\"preconnect\"> into HtmlWebpackPlugin pages",
   "main": "index.js",
   "scripts": {
@@ -27,5 +27,9 @@
     "html-webpack-plugin": "^3.2.0",
     "mocha": "^5.2.0",
     "webpack": "^3.12.0"
+  },
+  "peerDependencies": {
+    "webpack": "3.x",
+    "html-webpack-plugin": "^3.2.0"
   }
 }