diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 4b5fecd..fb1b7fd
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.15</version>
+			<version>4.1.1</version>
 		</dependency>
 
 		<dependency>