diff --git a/pom.xml b/pom.xml
index f6d0739..1a31fed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -168,7 +168,7 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>3.9</version>
+            <version>4.1.1</version>
         </dependency>
         <dependency>
             <groupId>org.codehaus.groovy</groupId>