diff --git a/interfaces/taverna/t2-webdav/pom.xml b/interfaces/taverna/t2-webdav/pom.xml
index de5d6d4..3ace64b 100644
--- a/interfaces/taverna/t2-webdav/pom.xml
+++ b/interfaces/taverna/t2-webdav/pom.xml
@@ -54,7 +54,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.7</version>
+			<version>3.17</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.poi</groupId>