diff --git a/springmvc-viewresolvers-ContentNegotiating/pom.xml b/springmvc-viewresolvers-ContentNegotiating/pom.xml
index bd53ad6..9170e47 100644
--- a/springmvc-viewresolvers-ContentNegotiating/pom.xml
+++ b/springmvc-viewresolvers-ContentNegotiating/pom.xml
@@ -27,7 +27,7 @@
 		<jsp.api.version>2.3.1</jsp.api.version>
 
 		<jackson.version>2.10.2</jackson.version>
-		<apach.poi.version>4.0.1</apach.poi.version>
+		<apach.poi.version>4.1.1</apach.poi.version>
 	</properties>
 
 	<dependencies>