diff --git a/backend/pom.xml b/backend/pom.xml
index 013e38c..93908d6 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -252,7 +252,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.7</version>
+			<version>1.2.83</version>
 		</dependency>
 
 		<!-- LOGGING begin -->