mvn4 aggregator
diff --git a/pom.xml b/pom.xml
index c9efc3d..ee7be53 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-plugins</artifactId>
-    <version>34</version>
+    <version>35-SNAPSHOT</version>
     <relativePath>../../pom/maven/maven-plugins/pom.xml</relativePath>
   </parent>
 
@@ -62,8 +62,8 @@
   </distributionManagement>
 
   <properties>
-    <javaVersion>7</javaVersion>
-    <mavenVersion>3.0</mavenVersion>
+    <javaVersion>8</javaVersion>
+    <mavenVersion>4.0.0-alpha-1-SNAPSHOT</mavenVersion>
     <project.build.outputTimestamp>2020-04-07T21:04:00Z</project.build.outputTimestamp>
   </properties>
 
@@ -127,7 +127,7 @@
     <dependency>
       <groupId>org.apache.maven.plugin-testing</groupId>
       <artifactId>maven-plugin-testing-harness</artifactId>
-      <version>3.3.0</version>
+      <version>3.4.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
   </dependencies>