diff --git a/spring-boot-example/pom.xml b/spring-boot-example/pom.xml
old mode 100755
new mode 100644
index edbace3..bf4a23b
--- a/spring-boot-example/pom.xml
+++ b/spring-boot-example/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.4</version>
+            <version>2.7</version>
         </dependency>
 
     </dependencies>