diff --git a/ch07/sample04/pom.xml b/ch07/sample04/pom.xml
index 584f157..005dbf2 100644
--- a/ch07/sample04/pom.xml
+++ b/ch07/sample04/pom.xml
@@ -11,7 +11,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>