diff --git a/mio-utils/pom.xml b/mio-utils/pom.xml
index 892edef..494cf67 100644
--- a/mio-utils/pom.xml
+++ b/mio-utils/pom.xml
@@ -156,7 +156,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.59</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file