diff --git a/01.SpringSecurityDemo/pom.xml b/01.SpringSecurityDemo/pom.xml
index 8c38401..57fcfd2 100644
--- a/01.SpringSecurityDemo/pom.xml
+++ b/01.SpringSecurityDemo/pom.xml
@@ -21,7 +21,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>