diff --git a/02.Spring-Boot-Web-Application/pom.xml b/02.Spring-Boot-Web-Application/pom.xml
index bc48a98..beaea72 100644
--- a/02.Spring-Boot-Web-Application/pom.xml
+++ b/02.Spring-Boot-Web-Application/pom.xml
@@ -43,7 +43,7 @@
 		<dependency>
 			<groupId>org.webjars</groupId>
 			<artifactId>bootstrap</artifactId>
-			<version>3.3.6</version>
+			<version>3.4.0</version>
 		</dependency>
 		
 		<dependency>