mvn4 aggregator
diff --git a/pom.xml b/pom.xml
index d9132a9..18cfda0 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>
 
@@ -62,10 +62,10 @@
   </distributionManagement>
 
   <properties>
-    <mavenArchiverVersion>3.5.0</mavenArchiverVersion>
-    <mavenFilteringVersion>3.1.1</mavenFilteringVersion>
-    <mavenVersion>3.1.1</mavenVersion>
-    <javaVersion>7</javaVersion>
+    <mavenArchiverVersion>3.5.3-SNAPSHOT</mavenArchiverVersion>
+    <mavenFilteringVersion>3.3.0-SNAPSHOT</mavenFilteringVersion>
+    <mavenVersion>4.0.0-alpha-1-SNAPSHOT</mavenVersion>
+    <javaVersion>8</javaVersion>
     <project.build.outputTimestamp>2020-06-07T16:20:17Z</project.build.outputTimestamp>
   </properties>
 
@@ -135,7 +135,7 @@
     <dependency>
       <groupId>org.apache.maven.plugin-testing</groupId>
       <artifactId>maven-plugin-testing-harness</artifactId>
-      <version>3.0.0</version>
+      <version>3.4.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
   </dependencies>