diff --git a/bar/Dockerfile b/bar/Dockerfile
index 1b2a267..2e7f20b 100644
--- a/bar/Dockerfile
+++ b/bar/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:latest
+FROM golang:alpine
 RUN mkdir /app
 ADD . /app
 WORKDIR /app
diff --git a/foo/Dockerfile b/foo/Dockerfile
index 1b2a267..2e7f20b 100644
--- a/foo/Dockerfile
+++ b/foo/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:latest
+FROM golang:alpine
 RUN mkdir /app
 ADD . /app
 WORKDIR /app