1 diff --git a/docker-context/Dockerfile-dib b/docker-context/Dockerfile-dib
2 index 038b64d..393f10f 100644
3 --- a/docker-context/Dockerfile-dib
4 +++ b/docker-context/Dockerfile-dib
8 # Use newer than the CentOS stock diskimage-builder via "cloud" repo
10 +FROM centos@sha256:df89b0a0b42916b5b31b334fd52d3e396c226ad97dfe772848bdd6b00fb42bf0
12 if [ "$(uname -m)" = aarch64 ]; then \
13 REPO_URI=http://mirror.centos.org/altarch/7/cloud/aarch64/openstack-queens/; \