diff --git a/in-action/Office-Convert/Office-Convert/pom.xml b/in-action/Office-Convert/Office-Convert/pom.xml
index c085d33..0b1b2d6 100644
--- a/in-action/Office-Convert/Office-Convert/pom.xml
+++ b/in-action/Office-Convert/Office-Convert/pom.xml
@@ -23,7 +23,7 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi-ooxml</artifactId>
-            <version>3.17</version>
+            <version>5.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.poi</groupId>