diff --git a/java-note-algorithm/pom.xml b/java-note-algorithm/pom.xml
index ef29ff9..9d3a907 100644
--- a/java-note-algorithm/pom.xml
+++ b/java-note-algorithm/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.47</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>