diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 0dbbed8..f25f0ad
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
 		<dependency>
 		    <groupId>org.apache.poi</groupId>
 		    <artifactId>poi</artifactId>
-		    <version>3.7</version>
+		    <version>4.1.1</version>
 		</dependency>
 
 		<dependency>