diff --git a/pom.xml b/pom.xml
index 83923c1..ad20a58 100644
--- a/pom.xml
+++ b/pom.xml
@@ -64,7 +64,7 @@
     </scm>
 
     <properties>
-        <fastjson.version>1.2.68</fastjson.version>
+        <fastjson.version>1.2.84</fastjson.version>
         <servlet.api.version>4.0.1</servlet.api.version>
         <jackson.version>2.11.0</jackson.version>
         <zxing.javase.version>3.4.0</zxing.javase.version>