diff --git a/pom.xml b/pom.xml
index 804a2ae..fb93e0a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -210,7 +210,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.8</version>
+			<version>4.1.1</version>
 		</dependency>
 		<dependency>
 			<groupId>com.vaadin</groupId>