diff --git a/day11/ssm/pom.xml b/day11/ssm/pom.xml
index d4bdd60..c52b06b 100644
--- a/day11/ssm/pom.xml
+++ b/day11/ssm/pom.xml
@@ -188,7 +188,7 @@
 		<dependency>
 			<groupId>org.apache.poi</groupId>
 			<artifactId>poi</artifactId>
-			<version>3.15</version>
+			<version>4.1.1</version>
 		</dependency>
 
 		<!-- 日志文件管理包 -->