diff --git a/AkkaHttpDemo/pom.xml b/AkkaHttpDemo/pom.xml
index 196bdf2..0b2c0e3 100644
--- a/AkkaHttpDemo/pom.xml
+++ b/AkkaHttpDemo/pom.xml
@@ -10,7 +10,7 @@
     <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>
     </properties>