diff --git a/rocketmq-externals-ldos/rocketmq-connect-rabbitmq/pom.xml b/rocketmq-externals-ldos/rocketmq-connect-rabbitmq/pom.xml
old mode 100755
new mode 100644
index d5687c1..99b601b
--- a/rocketmq-externals-ldos/rocketmq-connect-rabbitmq/pom.xml
+++ b/rocketmq-externals-ldos/rocketmq-connect-rabbitmq/pom.xml
@@ -158,7 +158,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.51</version>
+			<version>1.2.83</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>