diff --git a/AkkaDemo/pom.xml b/AkkaDemo/pom.xml
index 075406e..3b93940 100644
--- a/AkkaDemo/pom.xml
+++ b/AkkaDemo/pom.xml
@@ -9,7 +9,7 @@
     <properties>
         <akka.version>2.5.19</akka.version>
         <lombok.version>1.16.20</lombok.version>
-        <fastjson.version>1.2.31</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <logback-version>1.1.2</logback-version>
         <common.lang.version>3.5</common.lang.version>
         <delight.nashorn.sandbox.version>0.1.14</delight.nashorn.sandbox.version>