diff --git a/version01/pom.xml b/version01/pom.xml
index ca2fd2f..9dcf1e0 100644
--- a/version01/pom.xml
+++ b/version01/pom.xml
@@ -29,7 +29,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.9</version>
+			<version>4.1.1</version>
 		</dependency>
 
 		<dependency>