diff --git a/pom.xml b/pom.xml
index c6be0b8..5c0a106 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
 
         <!-- fast-json -->