diff --git a/Std2Ont/pom.xml b/Std2Ont/pom.xml
index 5736b5f..fdf8afe 100644
--- a/Std2Ont/pom.xml
+++ b/Std2Ont/pom.xml
@@ -25,7 +25,7 @@
   	<dependency>
 		<groupId>org.apache.poi</groupId>
 		<artifactId>poi</artifactId>
-		<version>3.11</version>
+		<version>4.1.1</version>
 	</dependency>
 	
 	<dependency>