diff --git a/Dockerfile b/Dockerfile
index 558dbc0..3c32cea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,4 @@
-FROM cloudron/base:0.10.0
-
-EXPOSE 8000
+FROM cloudron/base:1.0.0@sha256:147a648a068a2e746644746bbfb42eb7a50d682437cead3c67c933c546357617
 
 RUN mkdir -p /app/code \
     && wget https://dl.minio.io/server/minio/release/linux-amd64/minio.RELEASE.2018-10-05T01-03-03Z -O /app/code/minio \