diff --git a/continuousintegration/docker/ctafrontend/cc7/etc/yum.repos.d/cta-ci.repo b/continuousintegration/docker/ctafrontend/cc7/etc/yum.repos.d/cta-ci.repo
index 2750dcc9b89a120330b8a2700bfc5d76ee69ab58..e72fe33f9408b92e0a4e616925e9d0ebe05e60f0 100644
--- a/continuousintegration/docker/ctafrontend/cc7/etc/yum.repos.d/cta-ci.repo
+++ b/continuousintegration/docker/ctafrontend/cc7/etc/yum.repos.d/cta-ci.repo
@@ -14,6 +14,13 @@ priority=3
 gpgcheck=0
 enabled=1
 
+[cta-ci-ceph-luminous]
+name=CTA CI repo ceph-luminous cache to prevent automatic upgrade of branches with no ceph versionlock
+baseurl=https://cta-ci-repo.web.cern.ch/cta-ci-repo/ceph-luminous
+priority=3
+gpgcheck=0
+enabled=1
+
 [cta-ci-eos]
 name=CTA CI repo eos cache
 baseurl=https://cta-ci-repo.web.cern.ch/cta-ci-repo/eos/
diff --git a/continuousintegration/docker/ctafrontend/cc7/etc/yum/pluginconf.d/versionlock.list b/continuousintegration/docker/ctafrontend/cc7/etc/yum/pluginconf.d/versionlock.list
index 01377af027c4dae84afc0f6d25189f3092410096..6343c3f216877d0a79eb80cfa729a9b233142413 100644
--- a/continuousintegration/docker/ctafrontend/cc7/etc/yum/pluginconf.d/versionlock.list
+++ b/continuousintegration/docker/ctafrontend/cc7/etc/yum/pluginconf.d/versionlock.list
@@ -25,38 +25,43 @@
 1:xrootd-server-devel-4.7.0-1.el7.x86_64
 1:xrootd-server-libs-4.7.0-1.el7.x86_64
 1:xrootd-tests-4.7.0-1.el7.x86_64
-1:ceph-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-base-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-common-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-debuginfo-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:cephfs-java-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-fuse-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-mds-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-mon-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-osd-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-radosgw-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-selinux-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:ceph-test-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:libcephfs1-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:libcephfs-devel-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:libcephfs_jni1-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:libcephfs_jni-devel-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:librados2-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:librados-devel-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:libradosstriper1-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:libradosstriper-devel-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:librbd1-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:librbd-devel-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:librgw2-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:librgw-devel-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python34-ceph-argparse-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python34-cephfs-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python34-rados-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python34-rbd-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python-ceph-compat-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python-cephfs-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python-rados-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:python-rbd-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:rbd-fuse-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:rbd-mirror-11.0.0-2590.g08becd3.el7.cern.x86_64
-1:rbd-nbd-11.0.0-2590.g08becd3.el7.cern.x86_64
+2:ceph-12.2.0-0.el7.x86_64
+2:ceph-base-12.2.0-0.el7.x86_64
+2:ceph-common-12.2.0-0.el7.x86_64
+2:ceph-debuginfo-12.2.0-0.el7.x86_64
+2:cephfs-java-12.2.0-0.el7.x86_64
+2:ceph-fuse-12.2.0-0.el7.x86_64
+2:ceph-mds-12.2.0-0.el7.x86_64
+2:ceph-mgr-12.2.0-0.el7.x86_64
+2:ceph-mon-12.2.0-0.el7.x86_64
+2:ceph-osd-12.2.0-0.el7.x86_64
+2:ceph-radosgw-12.2.0-0.el7.x86_64
+2:ceph-resource-agents-12.2.0-0.el7.x86_64
+2:ceph-selinux-12.2.0-0.el7.x86_64
+2:ceph-test-12.2.0-0.el7.x86_64
+2:libcephfs2-12.2.0-0.el7.x86_64
+2:libcephfs-devel-12.2.0-0.el7.x86_64
+2:libcephfs_jni1-12.2.0-0.el7.x86_64
+2:libcephfs_jni-devel-12.2.0-0.el7.x86_64
+2:librados2-12.2.0-0.el7.x86_64
+2:librados-devel-12.2.0-0.el7.x86_64
+2:libradosstriper1-12.2.0-0.el7.x86_64
+2:libradosstriper-devel-12.2.0-0.el7.x86_64
+2:librbd1-12.2.0-0.el7.x86_64
+2:librbd-devel-12.2.0-0.el7.x86_64
+2:librgw2-12.2.0-0.el7.x86_64
+2:librgw-devel-12.2.0-0.el7.x86_64
+2:python34-ceph-argparse-12.2.0-0.el7.x86_64
+2:python34-cephfs-12.2.0-0.el7.x86_64
+2:python34-rados-12.2.0-0.el7.x86_64
+2:python34-rbd-12.2.0-0.el7.x86_64
+2:python34-rgw-12.2.0-0.el7.x86_64
+2:python-ceph-compat-12.2.0-0.el7.x86_64
+2:python-cephfs-12.2.0-0.el7.x86_64
+2:python-rados-12.2.0-0.el7.x86_64
+2:python-rbd-12.2.0-0.el7.x86_64
+2:python-rgw-12.2.0-0.el7.x86_64
+2:rados-objclass-devel-12.2.0-0.el7.x86_64
+2:rbd-fuse-12.2.0-0.el7.x86_64
+2:rbd-mirror-12.2.0-0.el7.x86_64
+2:rbd-nbd-12.2.0-0.el7.x86_64