diff --git a/pkg/operator/ceph/version/version.go b/pkg/operator/ceph/version/version.go
index dbe7375d0..b24a1e4a5 100644
--- a/pkg/operator/ceph/version/version.go
+++ b/pkg/operator/ceph/version/version.go
@@ -47,6 +47,8 @@ var (
 	Pacific = CephVersion{16, 0, 0, 0, ""}
 	// Quincy Ceph version
 	Quincy = CephVersion{17, 0, 0, 0, ""}
+	// Reef Ceph version
+	Reef = CephVersion{18, 0, 0, 0, ""}
 
 	// supportedVersions are production-ready versions that rook supports
 	supportedVersions = []CephVersion{Octopus, Pacific, Quincy}
@@ -89,6 +91,8 @@ func (v *CephVersion) ReleaseName() string {
 		return "pacific"
 	case Quincy.Major:
 		return "quincy"
+	case Reef.Major:
+		return "reef"
 	default:
 		return unknownVersionString
 	}
@@ -179,6 +183,11 @@ func (v *CephVersion) IsQuincy() bool {
 	return v.isRelease(Quincy)
 }
 
+// IsReef checks if the Ceph version is Reef
+func (v *CephVersion) IsReef() bool {
+	return v.isRelease(Reef)
+}
+
 // IsAtLeast checks a given Ceph version is at least a given one
 func (v *CephVersion) IsAtLeast(other CephVersion) bool {
 	if v.Major > other.Major {
@@ -202,6 +211,11 @@ func (v *CephVersion) IsAtLeast(other CephVersion) bool {
 	return true
 }
 
+// IsAtLeastReef check that the Ceph version is at least Reef
+func (v *CephVersion) IsAtLeastReef() bool {
+	return v.IsAtLeast(Reef)
+}
+
 // IsAtLeastQuincy check that the Ceph version is at least Quincy
 func (v *CephVersion) IsAtLeastQuincy() bool {
 	return v.IsAtLeast(Quincy)
diff --git a/pkg/operator/ceph/version/version_test.go b/pkg/operator/ceph/version/version_test.go
index fe65a299d..d99a55243 100644
--- a/pkg/operator/ceph/version/version_test.go
+++ b/pkg/operator/ceph/version/version_test.go
@@ -101,14 +101,17 @@ func TestSupported(t *testing.T) {
 	for _, v := range supportedVersions {
 		assert.True(t, v.Supported())
 	}
+	assert.False(t, Reef.Supported())
 }
 
 func TestIsRelease(t *testing.T) {
 	assert.True(t, Octopus.isRelease(Octopus))
 	assert.True(t, Pacific.isRelease(Pacific))
 	assert.True(t, Quincy.isRelease(Quincy))
+	assert.True(t, Reef.isRelease(Reef))
 
 	assert.False(t, Pacific.isRelease(Octopus))
+	assert.False(t, Reef.isRelease(Quincy))
 
 	OctopusUpdate := Octopus
 	OctopusUpdate.Minor = 33
@@ -206,10 +209,11 @@ func TestCephVersion_Unsupported(t *testing.T) {
 		fields fields
 		want   bool
 	}{
-		{"supported", fields{Major: 16, Minor: 2, Extra: 1, Build: 0}, false},
-		{"supported", fields{Major: 15, Minor: 2, Extra: 1, Build: 0}, false},
-		{"supported", fields{Major: 15, Minor: 2, Extra: 6, Build: 0}, false},
-		{"unsupported", fields{Major: 17, Minor: 2, Extra: 0, Build: 0}, false},
+		{"octopus", fields{Major: 15, Minor: 2, Extra: 1, Build: 0}, false},
+		{"octopus", fields{Major: 15, Minor: 2, Extra: 6, Build: 0}, false},
+		{"pacific", fields{Major: 16, Minor: 2, Extra: 1, Build: 0}, false},
+		{"quincy", fields{Major: 17, Minor: 2, Extra: 0, Build: 0}, false},
+		{"reef", fields{Major: 18, Minor: 2, Extra: 0, Build: 0}, false},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {