diff --git a/CoreJava/pom.xml b/CoreJava/pom.xml
index 7f5e611..6797f10 100644
--- a/CoreJava/pom.xml
+++ b/CoreJava/pom.xml
@@ -18,7 +18,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi-ooxml</artifactId>
-			<version>3.17</version>
+			<version>5.4.0</version>
 		</dependency>
 	</dependencies>