diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index be98e85..7ece6ca
--- a/pom.xml
+++ b/pom.xml
@@ -97,7 +97,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.17</version>
+			<version>4.1.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.poi</groupId>