diff --git a/pom.xml b/pom.xml
index 915678e..522ecff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
     <name>DashScope Java SDK</name>
     <groupId>com.alibaba</groupId>
     <artifactId>dashscope-sdk-java</artifactId>
-    <version>2.22.30</version>
+    <version>2.22.31</version>
 
     <properties>
         <maven.compiler.source>8</maven.compiler.source>
diff --git a/src/main/java/com/alibaba/dashscope/Version.java b/src/main/java/com/alibaba/dashscope/Version.java
index 4c71aaa..2724a0c 100644
--- a/src/main/java/com/alibaba/dashscope/Version.java
+++ b/src/main/java/com/alibaba/dashscope/Version.java
@@ -3,5 +3,5 @@
 package com.alibaba.dashscope;
 
 public final class Version {
-  public static final String version = "2.22.30";
+  public static final String version = "2.22.31";
 }