diff --git a/pom.xml b/pom.xml
index 779e4c48..457101e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
 		<version>2.3.5.RELEASE</version>
-		<relativePath /> <!-- lookup parent from repository -->
+		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
 	<artifactId>demo</artifactId>
@@ -152,7 +152,7 @@
 		<dependency>
 			<groupId>io.undertow</groupId>
 			<artifactId>undertow-servlet</artifactId>
-			<version>2.3.6.Final</version>
+			<version>2.3.9.Final</version>
 		</dependency>
 
 		<dependency>