diff --git a/pom.xml b/pom.xml
index 1c5a6b4..6c57d43 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>org.metricshub</groupId>
 		<artifactId>oss-parent</artifactId>
-		<version>2</version>
+		<version>4</version>
 	</parent>
 
 	<artifactId>tablejoin</artifactId>