diff --git a/e2e/cleanup/cleanup_test.go b/e2e/cleanup/cleanup_test.go
index 4f293bd6..20ddd70a 100644
--- a/e2e/cleanup/cleanup_test.go
+++ b/e2e/cleanup/cleanup_test.go
@@ -1,3 +1,6 @@
+//go:build e2e
+// +build e2e
+
 // Package cleanup-test is part of the end-to-end-tests. This package contains tests that evaluate the deletion of NATS
 // CRs and the cascading deletion of all correlated Kubernetes resources.
 // To run the tests a k8s cluster and a NATS-CR need to be available and configured. For this reason, the tests are
diff --git a/e2e/setup/setup_test.go b/e2e/setup/setup_test.go
index d18c5310..e7b9658c 100644
--- a/e2e/setup/setup_test.go
+++ b/e2e/setup/setup_test.go
@@ -1,3 +1,6 @@
+//go:build e2e
+// +build e2e
+
 // Package setup_test is part of the end-to-end-tests. This package contains tests that evaluate the creation of a
 // NATS-server CR and the creation of all correlated Kubernetes resources.
 // To run the tests a Kubernetes cluster and a NATS-CR need to be available and configured. For this reason, the tests