diff --git a/ZKDistLock/pom.xml b/ZKDistLock/pom.xml
index 7d1e171..7e3c782 100644
--- a/ZKDistLock/pom.xml
+++ b/ZKDistLock/pom.xml
@@ -15,7 +15,7 @@
         <java.version>1.8</java.version>
 
         <lombok.version>1.16.14</lombok.version>
-        <fastjson.version>1.2.31</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <commons.io.version>2.5</commons.io.version>
         <common.lang.version>3.5</common.lang.version>
     </properties>