diff --git a/ispyb-ejb/pom.xml b/ispyb-ejb/pom.xml
index f6dc23dd..5a6f9ef2 100644
--- a/ispyb-ejb/pom.xml
+++ b/ispyb-ejb/pom.xml
@@ -168,7 +168,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.1-FINAL</version>
+			<version>4.1.1</version>
 		</dependency>
 		
 		<dependency>