diff --git a/spring-security-advanced-authentication-ui/pom.xml b/spring-security-advanced-authentication-ui/pom.xml
index 10e44fc..6117eec 100644
--- a/spring-security-advanced-authentication-ui/pom.xml
+++ b/spring-security-advanced-authentication-ui/pom.xml
@@ -148,7 +148,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-source-plugin</artifactId>
-				<version>3.3.1</version>
+				<version>3.4.0</version>
 				<executions>
 					<execution>
 						<id>attach-sources</id>