diff --git a/trace-agent/trace-agent-collect-servlet/pom.xml b/trace-agent/trace-agent-collect-servlet/pom.xml
index c777233..eea261a 100644
--- a/trace-agent/trace-agent-collect-servlet/pom.xml
+++ b/trace-agent/trace-agent-collect-servlet/pom.xml
@@ -29,7 +29,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.32</version>
+			<version>1.2.83</version>
 		</dependency>
 
 	</dependencies>