diff --git a/JavaWebSocket/pom.xml b/JavaWebSocket/pom.xml
index fa31368..ca6b03c 100644
--- a/JavaWebSocket/pom.xml
+++ b/JavaWebSocket/pom.xml
@@ -411,7 +411,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.10-FINAL</version>
+			<version>4.1.1</version>
 		</dependency>
 
 		<!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml -->