diff --git a/javaimpl/pom.xml b/javaimpl/pom.xml
index 033e235..6f603ad 100644
--- a/javaimpl/pom.xml
+++ b/javaimpl/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.31</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>