diff --git a/architecture/MicroServicesInAction/OfficialCodes/chapter-03-04-02/pom.xml b/architecture/MicroServicesInAction/OfficialCodes/chapter-03-04-02/pom.xml
index 55d3edaa3..de9253724 100644
--- a/architecture/MicroServicesInAction/OfficialCodes/chapter-03-04-02/pom.xml
+++ b/architecture/MicroServicesInAction/OfficialCodes/chapter-03-04-02/pom.xml
@@ -22,7 +22,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
-		<fastjson.version>1.2.15</fastjson.version>
+		<fastjson.version>1.2.83</fastjson.version>
 	</properties>
 
 	<dependencies>