diff --git a/Dockerfile b/Dockerfile
index 5d6ab64..fcd2927 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,10 +2,8 @@ FROM cloudron/base:0.10.0
 
 EXPOSE 8000
 
-ENV VERSION 2018-04-27T23-33-52Z
-
 RUN mkdir -p /app/code \
-    && wget https://dl.minio.io/server/minio/release/linux-amd64/minio.RELEASE.${VERSION} -O /app/code/minio \
+    && wget https://dl.minio.io/server/minio/release/linux-amd64/minio.RELEASE.2018-05-04T23-13-12Z -O /app/code/minio \
     && chmod +x /app/code/minio
 
 WORKDIR /app/code