diff --git a/Makefile b/Makefile
index 20b6ddfe..da137877 100644
--- a/Makefile
+++ b/Makefile
@@ -68,7 +68,7 @@ docker-publish:
 	IMAGE_DESCRIPTION=$$(docker inspect --format='{{.Config.Labels.description}}' "${OCI_REGISTRY_HOSTNAME}/${OCI_REGISTRY_PROJECT_IMAGES}/${OPERATOR_NAME}:${VERSION}");\
 	IMAGE_NAME=$$(docker inspect --format='{{.Config.Labels.name}}' "${OCI_REGISTRY_HOSTNAME}/${OCI_REGISTRY_PROJECT_IMAGES}/${OPERATOR_NAME}:${VERSION}");\
 	# Merge the SBOM with the metadata for the operator\
-	jq -s '{"metadata":{"component":{"description":"'"$$IMAGE_NAME. $$IMAGE_DESCRIPTION"'","supplier":{"name":"Stackable GmbH","url":"https://stackable.tech/"},"author":"Stackable GmbH","purl":"'"$$PURL"'","publisher":"Stackable GmbH"}}} * .[0]' sbom.json > sbom.merged.json;\
+	jq -s '{"metadata":{"component":{"description":"'"$$IMAGE_NAME. $$IMAGE_DESCRIPTION"'","supplier":{"name":"Stackable GmbH","url":["https://stackable.tech/"]},"author":"Stackable GmbH","purl":"'"$$PURL"'","publisher":"Stackable GmbH"}}} * .[0]' sbom.json > sbom.merged.json;\
 	# Attest the SBOM to the image\
 	cosign attest -y --predicate sbom.merged.json --type cyclonedx "${OCI_REGISTRY_HOSTNAME}/${OCI_REGISTRY_PROJECT_IMAGES}/${OPERATOR_NAME}@$$REPO_DIGEST_OF_IMAGE"