diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d332dfe..5d856ed
--- a/pom.xml
+++ b/pom.xml
@@ -159,7 +159,7 @@
     <dependency>
       <groupId>com.alibaba</groupId>
       <artifactId>fastjson</artifactId>
-      <version>1.2.47</version>
+      <version>1.2.83</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->