diff --git a/vuln/fastjson/pom.xml b/vuln/fastjson/pom.xml
index 9910df8..6ae1e3b 100644
--- a/vuln/fastjson/pom.xml
+++ b/vuln/fastjson/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.24</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>