diff --git a/java/flumedemo/pom.xml b/java/flumedemo/pom.xml
index ddfd0f4..74583a9 100644
--- a/java/flumedemo/pom.xml
+++ b/java/flumedemo/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.70</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>