diff --git a/Dockerfile b/Dockerfile
index d4c28a4..34b3be8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,17 +1,18 @@
 FROM debian
 
-ENV FACTORIO_SERVER_VERSION 0.14.22
+ENV FACTORIO_SERVER_VERSION 0.15.33
 
 ENTRYPOINT ["/opt/defaults/start.sh"]
 EXPOSE 34197/udp
 
-ADD https://www.factorio.com/get-download/${FACTORIO_SERVER_VERSION}/headless/linux64 /tmp/factorio.tgz
 ADD . /opt/defaults
 
 RUN set -ex \
+ && apt-get update && apt-get install -y curl xz-utils \
  && mkdir -p /opt \
  && useradd -d /opt/factorio -M -u 10000 factorio \
- && tar -C /opt -x -z -f /tmp/factorio.tgz \
+ && curl -sSLfo /tmp/factorio.tgz https://www.factorio.com/get-download/${FACTORIO_SERVER_VERSION}/headless/linux64 \
+ && tar -C /opt -x -J -f /tmp/factorio.tgz \
  && chown -R factorio:factorio /opt/factorio \
  && rm /tmp/factorio.tgz