diff --git a/HtmlUnit-Demo/pom.xml b/HtmlUnit-Demo/pom.xml
index 9f80981..b48fd46 100644
--- a/HtmlUnit-Demo/pom.xml
+++ b/HtmlUnit-Demo/pom.xml
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.14</version>
+            <version>1.2.83</version>
         </dependency>
 
         <dependency>