diff --git a/binding/java/ReadMe.md b/binding/java/ReadMe.md
index ca5ac0b..293064d 100644
--- a/binding/java/ReadMe.md
+++ b/binding/java/ReadMe.md
@@ -7,7 +7,7 @@
 <dependency>
     <groupId>org.lionsoul</groupId>
     <artifactId>ip2region</artifactId>
-    <version>2.6.5</version>
+    <version>2.6.6</version>
 </dependency>
 ```