diff --git a/binding/java/pom.xml b/binding/java/pom.xml
index a4a7651..3935482 100644
--- a/binding/java/pom.xml
+++ b/binding/java/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>org.lionsoul</groupId>
   <artifactId>ip2region</artifactId>
-  <version>1.4</version>
+  <version>1.7</version>
   <packaging>jar</packaging>
 
   <name>ip2region</name>