diff --git a/pom.xml b/pom.xml
index ec722cf..7e1308d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<poi.version>3.12</poi.version>
+		<poi.version>4.1.1</poi.version>
 	</properties>
 
 	<dependencies>