diff --git a/alios-d-sdk/pom.xml b/alios-d-sdk/pom.xml
index fcc176c..78cbe1d 100644
--- a/alios-d-sdk/pom.xml
+++ b/alios-d-sdk/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.48</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>