diff --git a/jdk-study/pom.xml b/jdk-study/pom.xml
index 9aaf2db..097cca4 100644
--- a/jdk-study/pom.xml
+++ b/jdk-study/pom.xml
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi-scratchpad</artifactId>
-            <version>4.1.0</version>
+            <version>5.2.1</version>
         </dependency>
 
     </dependencies>