diff --git a/BigDataVisulalisation/pom.xml b/BigDataVisulalisation/pom.xml
index c207589..c992fba 100644
--- a/BigDataVisulalisation/pom.xml
+++ b/BigDataVisulalisation/pom.xml
@@ -150,7 +150,7 @@
     <dependency>
       <groupId>com.alibaba</groupId>
       <artifactId>fastjson</artifactId>
-      <version>1.1.41</version>
+      <version>1.2.83</version>
     </dependency>
   </dependencies>