diff --git a/simplex-common/pom.xml b/simplex-common/pom.xml
index 274b000..2d598e5 100644
--- a/simplex-common/pom.xml
+++ b/simplex-common/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.58</version>
+            <version>1.2.83</version>
         </dependency>
 
         <dependency>