diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48a34e2..0ac7d8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 6.0.0-alpha.3
+
+* Add missing dependencies for `vue-demi` and `resize-detector`.
+
 ## 6.0.0-alpha.2
 
 * Fix bundling for UMD build.
diff --git a/README.md b/README.md
index 29b0a51..87f3c6f 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ Drop `<script>` inside your HTML file and access the component via `window.VueEC
 <script src="https://cdn.jsdelivr.net/npm/vue@3.0.5"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue-demi@0.6.0"></script>
 <script src="https://cdn.jsdelivr.net/npm/echarts@5.0.2"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.2"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.3"></script>
 ```
 
 <!-- vue3Scripts:end -->
@@ -125,7 +125,7 @@ app.component('v-chart', VueECharts)
 <script src="https://cdn.jsdelivr.net/npm/@vue/composition-api@1.0.0-rc.2"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue-demi@0.6.0"></script>
 <script src="https://cdn.jsdelivr.net/npm/echarts@5.0.2"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.2"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.3"></script>
 ```
 
 <!-- vue2Scripts:end -->
diff --git a/README.zh-Hans.md b/README.zh-Hans.md
index 1431c28..6934e15 100644
--- a/README.zh-Hans.md
+++ b/README.zh-Hans.md
@@ -98,7 +98,7 @@ import "echarts";
 <script src="https://cdn.jsdelivr.net/npm/vue@3.0.5"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue-demi@0.6.0"></script>
 <script src="https://cdn.jsdelivr.net/npm/echarts@5.0.2"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.2"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.3"></script>
 ```
 
 <!-- vue3Scripts:end -->
@@ -123,7 +123,7 @@ app.component('v-chart', VueECharts)
 <script src="https://cdn.jsdelivr.net/npm/@vue/composition-api@1.0.0-rc.2"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue-demi@0.6.0"></script>
 <script src="https://cdn.jsdelivr.net/npm/echarts@5.0.2"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.2"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-alpha.3"></script>
 ```
 
 <!-- vue2Scripts:end -->
diff --git a/package.json b/package.json
index 0d1c412..e5e1892 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-echarts",
-  "version": "6.0.0-alpha.2",
+  "version": "6.0.0-alpha.3",
   "scripts": {
     "serve": "vue-cli-service serve",
     "build:demo": "vue-cli-service build",
@@ -18,7 +18,9 @@
     "dist"
   ],
   "dependencies": {
-    "core-js": "^3.6.5"
+    "core-js": "^3.6.5",
+    "resize-detector": "^0.3.0",
+    "vue-demi": "^0.6.0"
   },
   "devDependencies": {
     "@rollup/plugin-node-resolve": "^11.1.1",