diff --git a/subtree/20201115/pom.xml b/subtree/20201115/pom.xml
index e70c487b..e5449ba8 100644
--- a/subtree/20201115/pom.xml
+++ b/subtree/20201115/pom.xml
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>