diff --git a/pom.xml b/pom.xml
index 6f96ac5b69d..bbd0d1d5e7f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache</groupId>
         <artifactId>apache</artifactId>
-        <version>19</version>
+        <version>21</version>
     </parent>
 
     <groupId>org.apache.dubbo</groupId>