dubbo版本升级为2.5.5
diff --git a/pom.xml b/pom.xml
index 6868b42..233bde9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>dubbo</artifactId>
-			<version>2.5.4</version>
+            <version>2.5.5</version>
 			<exclusions>
 				<exclusion>
 					<groupId>org.javassist</groupId>