diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 412b398..4957f82
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@ xsi:schemaLocation CDATA #REQUIRED>
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>3.16</version>
+            <version>4.1.1</version>
         </dependency>
         <dependency>
             <groupId>commons-validator</groupId>