diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9be5184..3d44b31d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+<a name="1.1.0-beta.1"></a>
+# [1.1.0-beta.1](https://github.com/vuejs/composition-api/compare/v1.0.2...v1.1.0-beta.1) (2021-07-16)
+
+
+### Features
+
+* implement `effectScope` api ([#762](https://github.com/vuejs/composition-api/issues/762)) ([fcadec2](https://github.com/vuejs/composition-api/commit/fcadec2))
+
+
+
 <a name="1.0.2"></a>
 ## [1.0.2](https://github.com/vuejs/composition-api/compare/v1.0.1...v1.0.2) (2021-07-16)
 
diff --git a/README.md b/README.md
index 45c442aa..270b75d6 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Include `@vue/composition-api` after Vue and it will install itself automaticall
 <!--cdn-links-start-->
 ```html
 <script src="https://cdn.jsdelivr.net/npm/vue@2.6"></script>
-<script src="https://cdn.jsdelivr.net/npm/@vue/composition-api@1.0.2"></script>
+<script src="https://cdn.jsdelivr.net/npm/@vue/composition-api@1.1.0-beta.1"></script>
 ```
 <!--cdn-links-end-->
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 9bfa9ca2..b2cb385e 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -40,7 +40,7 @@ import { ref, reactive } from '@vue/composition-api'
 <!--cdn-links-start-->
 ```html
 <script src="https://cdn.jsdelivr.net/npm/vue@2.6"></script>
-<script src="https://cdn.jsdelivr.net/npm/@vue/composition-api@1.0.2"></script>
+<script src="https://cdn.jsdelivr.net/npm/@vue/composition-api@1.1.0-beta.1"></script>
 ```
 <!--cdn-links-end-->
 
diff --git a/package.json b/package.json
index af062f0f..ee39e27a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/composition-api",
-  "version": "1.0.2",
+  "version": "1.1.0-beta.1",
   "description": "Provide logic composition capabilities for Vue.",
   "keywords": [
     "vue",