diff --git a/oci/app-runner/image-builder-alpine/Dockerfile b/oci/app-runner/image-builder-alpine/Dockerfile
index eb4e51d..af1a6ae 100644
--- a/oci/app-runner/image-builder-alpine/Dockerfile
+++ b/oci/app-runner/image-builder-alpine/Dockerfile
@@ -12,6 +12,7 @@ RUN apk --update add  \
 # add kaniko tools
 COPY --from=kaniko /etc/nsswitch.conf /etc/nsswitch.conf
 COPY --from=kaniko /kaniko/executor /kaniko/executor
+RUN sync && sleep 3
 COPY --from=kaniko /kaniko/.docker /kaniko/.docker
 COPY --from=kaniko /kaniko/docker-credential-gcr /kaniko/docker-credential-gcr
 COPY --from=kaniko /kaniko/docker-credential-acr /kaniko/docker-credential-acr