diff --git a/case 7.9.2 activiti/case activiti-gui/pom.xml b/case 7.9.2 activiti/case activiti-gui/pom.xml
index fc93cb2f..9212810e 100644
--- a/case 7.9.2 activiti/case activiti-gui/pom.xml	
+++ b/case 7.9.2 activiti/case activiti-gui/pom.xml	
@@ -63,7 +63,7 @@
 		<dependency>
 		    <groupId>org.apache.poi</groupId>
 		    <artifactId>poi</artifactId>
-		    <version>3.14</version>
+		    <version>4.1.1</version>
 		</dependency>
 		<dependency>
 			<groupId>io.springfox</groupId>