diff --git a/pom.xml b/pom.xml
index 103b46a..f931976 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>19</version>
+    <version>21</version>
     <relativePath />
   </parent>
 
@@ -761,7 +761,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <skin.version>1.0.3</skin.version>
-    <org.apache.directory.checkstyle-configuration.version>0.2</org.apache.directory.checkstyle-configuration.version>
+    <org.apache.directory.checkstyle-configuration.version>2.0.0</org.apache.directory.checkstyle-configuration.version>
   </properties>
 
   <build>
@@ -806,7 +806,7 @@
             <dependency>
               <groupId>com.puppycrawl.tools</groupId>
               <artifactId>checkstyle</artifactId>
-              <version>8.11</version>
+              <version>8.12</version>
             </dependency>
             <dependency>
               <groupId>org.apache.directory.buildtools</groupId>