diff --git a/ch25/pom.xml b/ch25/pom.xml
old mode 100755
new mode 100644
index 10846de4..77e8097b
--- a/ch25/pom.xml
+++ b/ch25/pom.xml
@@ -17,7 +17,7 @@
         <mockito-all.version>1.10.19</mockito-all.version>
         <mybatis-starter.version>1.1.1</mybatis-starter.version>
         <spring-version>5.0.5.RELEASE</spring-version>
-        <spring-boot.version>2.0.1.RELEASE</spring-boot.version>
+        <spring-boot.version>2.5.12</spring-boot.version>
         <spring-test.version>4.3.2.RELEASE</spring-test.version>
         <junit.version>4.12</junit.version>
         <logback.version>1.2.3</logback.version>