diff --git a/chat-src/chat/pom.xml b/chat-src/chat/pom.xml
index 0e63b63..bd4032d 100644
--- a/chat-src/chat/pom.xml
+++ b/chat-src/chat/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.31</version>
+			<version>1.2.83</version>
 		</dependency>
 		<dependency>
 			<groupId>javax.servlet</groupId>