diff --git a/ch25/pom.xml b/ch25/pom.xml
old mode 100755
new mode 100644
index 10846de4..2e488f3a
--- a/ch25/pom.xml
+++ b/ch25/pom.xml
@@ -19,7 +19,7 @@
         <spring-version>5.0.5.RELEASE</spring-version>
         <spring-boot.version>2.0.1.RELEASE</spring-boot.version>
         <spring-test.version>4.3.2.RELEASE</spring-test.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
         <logback.version>1.2.3</logback.version>
         <slf4j.version>1.7.22</slf4j.version>
         <halo.framework.version>1.0.4</halo.framework.version>