diff --git a/Dockerfile b/Dockerfile
index 2aa3ab013..ea528062f 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,10 +3,10 @@
 ARG REDIS_VER=6.0.9
 
 # OSNICK=bionic|stretch|buster
-ARG OSNICK=buster
+ARG OSNICK=bionic
 
 # OS=debian:buster-slim|debian:stretch-slim|ubuntu:bionic
-ARG OS=debian:buster-slim
+ARG OS=ubuntu:bionic
 
 # ARCH=x64|arm64v8|arm32v7
 ARG ARCH=x64
diff --git a/opt/build/docker/Makefile b/opt/build/docker/Makefile
index 898e49d82..a62321257 100755
--- a/opt/build/docker/Makefile
+++ b/opt/build/docker/Makefile
@@ -4,7 +4,7 @@ MK.pyver:=3
 include $(ROOT)/opt/readies/mk/main
 
 # OSNICK=buster|stretch|bionic|xenial|centos7
-OSNICK ?= buster
+OSNICK ?= bionic
 
 REPO=redisai