diff --git a/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml b/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml
old mode 100644
new mode 100755
index b58bf66a5ba1..ad0cbeebd32a
--- a/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml
+++ b/spring-boot-samples/spring-boot-sample-atmosphere/pom.xml
@@ -5,7 +5,7 @@
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-samples</artifactId>
-		<version>1.4.0.BUILD-SNAPSHOT</version>
+		<version>2.2.4.RELEASE</version>
 	</parent>
 	<artifactId>spring-boot-sample-atmosphere</artifactId>
 	<name>Spring Boot Atmosphere Sample</name>