lib/smart_machine/engine/Dockerfile in smartmachine-0.7.0 vs lib/smart_machine/engine/Dockerfile in smartmachine-0.8.0

@@ -10,9 +10,10 @@
 	adduser --disabled-password --gecos "" --uid "$USER_UID" "$USER_NAME" && \
 	addgroup --gid "$DOCKER_GID" "docker" && adduser "$USER_NAME" "docker"
 
 # Essentials
 RUN apk add --update build-base && \
+	apk add --update xz && \
 	apk add --update docker && \
 	apk add --update git && \
     rm -rf /var/cache/apk/*
 
 # smartmachine gem