diff --git a/specialstudy/pom.xml b/specialstudy/pom.xml
index d95f3551..7ef75e86 100644
--- a/specialstudy/pom.xml
+++ b/specialstudy/pom.xml
@@ -325,7 +325,7 @@
 		<dependency>
 		  <groupId>org.apache.poi</groupId>
 		  <artifactId>poi</artifactId>
-		  <version>3.17</version>
+		  <version>4.1.1</version>
 		  <exclusions>
 		  	<exclusion>
 		  		<groupId>commons-logging</groupId>