diff --git a/spring-boot2-study/spring-boot2-parent/pom.xml b/spring-boot2-study/spring-boot2-parent/pom.xml
old mode 100755
new mode 100644
index d1a3cd0..d077cf4
--- a/spring-boot2-study/spring-boot2-parent/pom.xml
+++ b/spring-boot2-study/spring-boot2-parent/pom.xml
@@ -13,7 +13,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<spring-boot-version>2.0.6.RELEASE</spring-boot-version>
+		<spring-boot-version>2.5.12</spring-boot-version>
 		<swagger.version>2.9.2</swagger.version>
 	</properties>