diff --git a/Section4/Video_4.1/SpringSecurity-SecurityFilterChain/pom.xml b/Section4/Video_4.1/SpringSecurity-SecurityFilterChain/pom.xml
index 1593313..dfc257d 100644
--- a/Section4/Video_4.1/SpringSecurity-SecurityFilterChain/pom.xml
+++ b/Section4/Video_4.1/SpringSecurity-SecurityFilterChain/pom.xml
@@ -27,7 +27,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-webmvc</artifactId>
-			<version>4.3.5.RELEASE</version>
+			<version>5.3.18</version>
 		</dependency>
 		<dependency>
 			<groupId>javax.servlet</groupId>