diff --git a/Courses/2019-Spring-Semester/Homework/Homework-2/pom.xml b/Courses/2019-Spring-Semester/Homework/Homework-2/pom.xml
index efd5d1a..f80462a 100644
--- a/Courses/2019-Spring-Semester/Homework/Homework-2/pom.xml
+++ b/Courses/2019-Spring-Semester/Homework/Homework-2/pom.xml
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.28</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>