diff --git a/web-server/pom.xml b/web-server/pom.xml
index 8b019e2..57f62c9 100644
--- a/web-server/pom.xml
+++ b/web-server/pom.xml
@@ -322,7 +322,7 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>3.9</version>
+            <version>4.1.1</version>
         </dependency>
 
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