diff --git a/lab/JDBC_Flyway/pom.xml b/lab/JDBC_Flyway/pom.xml
old mode 100755
new mode 100644
index 84900ba..c941675
--- a/lab/JDBC_Flyway/pom.xml
+++ b/lab/JDBC_Flyway/pom.xml
@@ -45,7 +45,7 @@
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot</artifactId>
-			<version>2.1.3.RELEASE</version>
+			<version>2.2.11.RELEASE</version>
 		</dependency>
 		<dependency>
 			<groupId>org.flywaydb</groupId>