diff --git a/pom.xml b/pom.xml
index 8daec7c..7a8a9b8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>org.starcoin</groupId>
     <artifactId>sdk</artifactId>
-    <version>1.1.30</version>
+    <version>1.1.31</version>
 
     <name>Starcoin Java SDK</name>
     <description>Starcoin Java SDK</description>