diff --git a/testing/containers/ceph/Dockerfile b/testing/containers/ceph/Dockerfile
index 4d2f55ef2..5cbd04e52 100644
--- a/testing/containers/ceph/Dockerfile
+++ b/testing/containers/ceph/Dockerfile
@@ -11,6 +11,7 @@ ENV GO_CEPH_VERSION=${GO_CEPH_VERSION:-$CEPH_VERSION}
 RUN true && \
     echo "Check: [ ${CEPH_VERSION} = ${GO_CEPH_VERSION} ]" && \
     [ "${CEPH_VERSION}" = "${GO_CEPH_VERSION}" ] && \
+    (. /etc/os-release ; if [ "$ID" = centos -a "$VERSION" = 8 ]; then find /etc/yum.repos.d/ -name '*.repo' -exec sed -i -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://mirror.centos.org|baseurl=https://vault.centos.org|g'  {} \; ; fi ) && \
     yum update -y --disablerepo=ganesha && \
     cv="$(rpm -q --queryformat '%{version}-%{release}' ceph-common)" && \
     yum install -y \