diff --git a/Dockerfile b/Dockerfile
index 4a5b83e..397175a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,10 +5,12 @@ RUN sed -i 's@deb.debian.org@apt-cache.lan/deb.debian.org@g' /etc/apt/sources.li
 	sed -i 's@security.debian.org@apt-cache.lan/security.debian.org@g' /etc/apt/sources.list && \
     echo 'deb-src http://apt-cache.lan/deb.debian.org/debian stable main' > /etc/apt/sources.list.d/src.list
 
-RUN apt-get update -y &&\
+RUN dpkg --add-architecture armhfapt-get update -y && \
 	apt-get install -y \
 	build-essential dpkg-dev dpkg-cross \
-	devscripts make ccache distcc && \
+	devscripts make ccache distcc \
+	build-essential:armhf dpkg-dev:armhf dpkg-cross:armhf \
+	devscripts:armhf make:armhf ccache distcc && \
 	apt-get remove --purge -y exim* && \
 	apt-get autoremove --purge -y && \
 	apt-get clean -y && \ 
diff --git a/tekton-debian-kernel-build-image.yaml b/tekton-debian-kernel-build-image.yaml
index 2990e3e..e93d2c6 100644
--- a/tekton-debian-kernel-build-image.yaml
+++ b/tekton-debian-kernel-build-image.yaml
@@ -58,7 +58,7 @@ spec:
         - --context=$(params.pathToContext)
         - --skip-tls-verify
     - name: cleanup-workspace
-      image: alpine:latest
+      image: cr-mirror.lan/alpine:latest
       command:
         - rm
       args: