diff --git a/pom.xml b/pom.xml
index db81bbd..5eeb03a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -133,7 +133,7 @@
     <dependency>
       <groupId>org.apache.poi</groupId>
       <artifactId>poi</artifactId>
-      <version>3.9</version>
+      <version>4.1.1</version>
     </dependency>
 
     <dependency>