diff --git a/java/demo/pom.xml b/java/demo/pom.xml
index 46e337a..a576626 100644
--- a/java/demo/pom.xml
+++ b/java/demo/pom.xml
@@ -31,7 +31,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.62</version>
+			<version>1.2.83</version>
 		</dependency>
 		<dependency>
 			<groupId>com.sun.jna</groupId>