diff --git a/antlr/pom.xml b/antlr/pom.xml
index 451fb1e..82c49b7 100644
--- a/antlr/pom.xml
+++ b/antlr/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.47</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>