diff --git a/.cnb.yml b/.cnb.yml
index 011f9fe..7cfffef 100644
--- a/.cnb.yml
+++ b/.cnb.yml
@@ -37,7 +37,7 @@ lnmp_bullseye:
           script: docker login -u ${CNB_TOKEN_USER_NAME} -p "${CNB_TOKEN}" ${CNB_DOCKER_REGISTRY}
         - name: docker build
           timeout: 3600s
-          script: docker build -t ${IMAGE_TAG} .
+          script: docker build -t ${IMAGE_TAG} -f ./arm64/Dockerfile ./arm64
         - name: docker push
           script: docker push ${IMAGE_TAG}
         - name: resolve