diff --git a/msal-obo-sample/pom.xml b/msal-obo-sample/pom.xml
old mode 100755
new mode 100644
index 493db6a..622c8ba
--- a/msal-obo-sample/pom.xml
+++ b/msal-obo-sample/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.1.7.RELEASE</version>
+        <version>2.5.4</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>