diff --git a/README.md b/README.md
index 5a4c7e7..1fd3716 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ An android lib for enhancing BottomNavigationView.
 ### Sdk Version ###
 `compileSdkVersion` >= 25
 
-### Importing to project ###
+### Importing to project(choose one) ###
 
 #### Example for Gradle: ####
 
@@ -129,10 +129,16 @@ allprojects {
 ```
 
 Step 2. Add the dependency
+1. old version support lib <= 27
 ```groovy
 compile 'com.github.ittianyu:BottomNavigationViewEx:1.2.4'
 compile "com.android.support:design:26.+"
 ```
+2. new version support lib = 28
+```groovy
+implementation 'com.github.ittianyu:BottomNavigationViewEx:2.0.0'
+implementation "com.android.support:design:28.0.0"
+```
 
 
 #### Manual: ####
diff --git a/README_ZH.md b/README_ZH.md
index e9008a0..1e125ef 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -111,7 +111,7 @@
 ### Sdk 版本 ###
 `compileSdkVersion` >= 25
 
-### 导入本库 ###
+### 导入本库(选择其中一种) ###
 
 #### Gradle例子: ####
 
@@ -127,10 +127,17 @@ allprojects {
 ```
 
 步骤 2. 添加依赖
+
+1. 旧版本 support lib <= 27
 ```groovy
 compile 'com.github.ittianyu:BottomNavigationViewEx:1.2.4'
 compile "com.android.support:design:26.+"
 ```
+2. 新版本 support lib = 28
+```groovy
+implementation 'com.github.ittianyu:BottomNavigationViewEx:2.0.0'
+implementation "com.android.support:design:28.0.0"
+```
 
 #### 手动导入: ####