diff --git a/CSDBookStore/pom.xml b/CSDBookStore/pom.xml
index 0115b5b..febdb9a 100644
--- a/CSDBookStore/pom.xml
+++ b/CSDBookStore/pom.xml
@@ -157,7 +157,7 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>3.11-beta2</version>
+            <version>4.1.1</version>
         </dependency>
     </dependencies>