diff --git a/ch25/pom.xml b/ch25/pom.xml
old mode 100755
new mode 100644
index 10846de4..ff8f0337
--- a/ch25/pom.xml
+++ b/ch25/pom.xml
@@ -170,7 +170,7 @@
             <dependency>
                 <groupId>org.hibernate.validator</groupId>
                 <artifactId>hibernate-validator</artifactId>
-                <version>6.0.7.Final</version>
+                <version>6.0.20.Final</version>
             </dependency>
             <dependency>
                 <groupId>javax.el</groupId>