[SEBA-494] Setting required core version

Change-Id: I8fc2c08af7bfabd93898fb890b1326c48e349c80
diff --git a/xos/synchronizer/config.yaml b/xos/synchronizer/config.yaml
index ec417d1..f12e1e6 100644
--- a/xos/synchronizer/config.yaml
+++ b/xos/synchronizer/config.yaml
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 name: openstack
+core_version: ">=2.2.1"
 dependency_graph: "/opt/xos/synchronizers/openstack/model-deps"
 steps_dir: "/opt/xos/synchronizers/openstack/steps"
 pull_steps_dir: "/opt/xos/synchronizers/openstack/pull_steps"