diff --git a/alpine/base/ca-certificates/Dockerfile b/alpine/base/ca-certificates/Dockerfile
index c8a203abe..609dae926 100644
--- a/alpine/base/ca-certificates/Dockerfile
+++ b/alpine/base/ca-certificates/Dockerfile
@@ -1,3 +1,4 @@
 FROM debian:stable
 
-RUN apt-get update && apt-get -y upgrade && apt-get install -y ca-certificates
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get -yq upgrade && apt-get install -yq ca-certificates
diff --git a/alpine/base/qemu-user-static/Dockerfile b/alpine/base/qemu-user-static/Dockerfile
index 77dd058d2..14b72c406 100644
--- a/alpine/base/qemu-user-static/Dockerfile
+++ b/alpine/base/qemu-user-static/Dockerfile
@@ -1,3 +1,4 @@
 FROM debian:testing
 
-RUN apt-get update && apt-get -y upgrade && apt-get install -y qemu-user-static
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get -yq upgrade && apt-get install -yq qemu-user-static