diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index d996945..a77c6e5 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -1,4 +1,4 @@
-FROM node:12-alpine
+FROM docker.artifacts.apextoaster.com/node:12-alpine
 
 # dependencies: log filtering
 RUN apk add --update jq \
diff --git a/Dockerfile.stretch b/Dockerfile.stretch
index 9a5cd65..928b56c 100644
--- a/Dockerfile.stretch
+++ b/Dockerfile.stretch
@@ -1,4 +1,4 @@
-FROM node:12-stretch
+FROM docker.artifacts.apextoaster.com/node:12-stretch
 
 # dependencies: log filtering
 RUN apt-get update -y \