diff --git a/mio-parent/pom.xml b/mio-parent/pom.xml
index 3966c70..1aad828 100644
--- a/mio-parent/pom.xml
+++ b/mio-parent/pom.xml
@@ -46,7 +46,7 @@
         <poi.version>4.0.0</poi.version>
         <xmlbeans.version>3.0.2</xmlbeans.version>
         <filter.version>2.5</filter.version>
-        <fastjson.version>1.2.56</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
     </properties>
     <dependencyManagement>
         <dependencies>