diff --git a/de.oklab.leipzig.cdv.damals.generator/pom.xml b/de.oklab.leipzig.cdv.damals.generator/pom.xml
index 7dccbdc..0dc2122 100644
--- a/de.oklab.leipzig.cdv.damals.generator/pom.xml
+++ b/de.oklab.leipzig.cdv.damals.generator/pom.xml
@@ -97,7 +97,7 @@
 		<dependency>
 		    <groupId>org.apache.poi</groupId>
 		    <artifactId>poi</artifactId>
-		    <version>3.17</version>
+		    <version>4.1.1</version>
 		</dependency>		
 		<dependency>
 		    <groupId>org.apache.poi</groupId>