diff --git a/Makefile b/Makefile
index 413e4d0..e94f83c 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,9 @@ endif
 ifeq ($(CEPH_VERSION),quincy)
 	CEPH_TAG := v17
 endif
+ifeq ($(CEPH_VERSION),reef)
+	CEPH_TAG := v18
+endif
 # pre-<codename> indicates we want to consume pre-release versions of ceph from
 # the ceph ci. This way we can start testing on ceph versions before they hit
 # quay.io/ceph/ceph
@@ -44,6 +47,12 @@ ifeq ($(CEPH_VERSION),pre-pacific)
 	GO_CEPH_VERSION := pacific
 	BUILD_TAGS := pacific,ceph_pre_pacific
 endif
+ifeq ($(CEPH_VERSION),pre-reef)
+	CEPH_TAG := reef
+	CEPH_IMG := quay.ceph.io/ceph-ci/ceph
+	GO_CEPH_VERSION := reef
+	BUILD_TAGS := reef,ceph_pre_reef
+endif
 ifeq ($(CEPH_VERSION),main)
 	CEPH_TAG := main
 	CEPH_IMG := quay.ceph.io/ceph-ci/ceph