diff --git a/docker-classic/Dockerfile b/docker-classic/Dockerfile
index 694ab6e..3aebe23 100755
--- a/docker-classic/Dockerfile
+++ b/docker-classic/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.04    
+FROM scratch    
 COPY hbbs /usr/bin/hbbs    
 COPY hbbr /usr/bin/hbbr    
 WORKDIR /root