diff --git a/014-Spring REST/004-Exception Handling/solution-code-spring-rest-demo-hello-world/pom.xml b/014-Spring REST/004-Exception Handling/solution-code-spring-rest-demo-hello-world/pom.xml
old mode 100755
new mode 100644
index 468b40f..0fd36b3
--- a/014-Spring REST/004-Exception Handling/solution-code-spring-rest-demo-hello-world/pom.xml	
+++ b/014-Spring REST/004-Exception Handling/solution-code-spring-rest-demo-hello-world/pom.xml	
@@ -26,7 +26,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.9.9.2</version>
+			<version>2.12.7.1</version>
 		</dependency>
 
 		<!-- Add Servlet support for Spring's AbstractAnnotationConfigDispatcherServletInitializer -->