diff --git a/aliyun-java-sdk-slb/ChangeLog.txt b/aliyun-java-sdk-slb/ChangeLog.txt
index 945ab1e895..05ca57386f 100644
--- a/aliyun-java-sdk-slb/ChangeLog.txt
+++ b/aliyun-java-sdk-slb/ChangeLog.txt
@@ -1,3 +1,6 @@
+2023-06-28 Version: 3.3.21
+- Support Latest APIs.
+
 2023-06-02 Version: 3.3.20
 - Support Latest APIs.
 
diff --git a/aliyun-java-sdk-slb/pom.xml b/aliyun-java-sdk-slb/pom.xml
index b06c8b144f..f91248eae4 100644
--- a/aliyun-java-sdk-slb/pom.xml
+++ b/aliyun-java-sdk-slb/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.aliyun</groupId>
   <artifactId>aliyun-java-sdk-slb</artifactId>
   <packaging>jar</packaging>
-  <version>3.3.20</version>
+  <version>3.3.21</version>
   <name>aliyun-java-sdk-slb</name>
   <url>http://www.aliyun.com</url>
   <description>Aliyun Open API SDK for Java