diff --git a/Rce_Echo/TomcatEcho/pom.xml b/Rce_Echo/TomcatEcho/pom.xml
index 8f41d87..0aaecfc 100644
--- a/Rce_Echo/TomcatEcho/pom.xml
+++ b/Rce_Echo/TomcatEcho/pom.xml
@@ -85,7 +85,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.67</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.apache.tomcat</groupId>