diff --git a/java8/pom.xml b/java8/pom.xml
index 93e8ca1..50244a6 100644
--- a/java8/pom.xml
+++ b/java8/pom.xml
@@ -27,7 +27,7 @@
     <dependency>
       <groupId>cn.hutool</groupId>
       <artifactId>hutool-all</artifactId>
-      <version>5.8.9</version>
+      <version>5.8.21</version>
     </dependency>
     <dependency>
       <groupId>org.apache.poi</groupId>