diff --git a/Std2Ont/pom.xml b/Std2Ont/pom.xml
index 5736b5f..1cf3720 100644
--- a/Std2Ont/pom.xml
+++ b/Std2Ont/pom.xml
@@ -31,7 +31,7 @@
 	<dependency>
 	    <groupId>org.apache.poi</groupId>
 	    <artifactId>poi-ooxml</artifactId>
-	    <version>3.11</version>
+	    <version>5.4.0</version>
 	</dependency>    
 	
 	<dependency>