diff --git a/pom.xml b/pom.xml
index 9ba5da2..fbb5e2d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,13 +36,13 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.47</version>
+            <version>1.2.83_noneautotype</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>