diff --git a/pom.xml b/pom.xml
index 7430747..3e90bc9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,7 +118,7 @@
     <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>
     <dependency> <!-- used by maven-plugin-testing-harness, don't give it compile scope! -->