diff --git a/pom.xml b/pom.xml
index 0a39abc..713176e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.34</version>
+            <version>1.2.83</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/net.i2p.crypto/eddsa -->