diff --git a/vuldemo/pom.xml b/vuldemo/pom.xml
index d216760..83139f5 100644
--- a/vuldemo/pom.xml
+++ b/vuldemo/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.1.36</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.unboundid</groupId>