diff --git a/guava/pom.xml b/guava/pom.xml
index bd3d02f..8509529 100644
--- a/guava/pom.xml
+++ b/guava/pom.xml
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <!--fast json-->