diff --git a/devstack/gate_hook.sh b/devstack/gate_hook.sh
index 6c0cc4fdc..c8f28110e 100644
--- a/devstack/gate_hook.sh
+++ b/devstack/gate_hook.sh
@@ -73,6 +73,9 @@ changes_interval = 5
 
 [datasources]
 snapshots_interval = 120
+
+[persistency]
+enable_persistency=true
 EOF
 )"
 
diff --git a/vitrage/datasources/collector_notifier.py b/vitrage/datasources/collector_notifier.py
index a0ef0b23d..54da41429 100644
--- a/vitrage/datasources/collector_notifier.py
+++ b/vitrage/datasources/collector_notifier.py
@@ -27,11 +27,10 @@ class CollectorNotifier(object):
         self.oslo_notifier = None
         try:
             topics = [conf.datasources.notification_topic_collector]
-            # TODO(idan_hefetz): persistency is in development
-            # if conf.persistency.enable_persistency:
-            #     topics.append(conf.persistency.persistor_topic)
-            # else:
-            #     LOG.warning("Not persisting events")
+            if conf.persistency.enable_persistency:
+                topics.append(conf.persistency.persistor_topic)
+            else:
+                LOG.warning("Not persisting events")
 
             self.oslo_notifier = oslo_messaging.Notifier(
                 get_transport(conf),
diff --git a/vitrage/storage/impl_sqlalchemy.py b/vitrage/storage/impl_sqlalchemy.py
index b6a439e7a..d7a5a464f 100644
--- a/vitrage/storage/impl_sqlalchemy.py
+++ b/vitrage/storage/impl_sqlalchemy.py
@@ -79,13 +79,12 @@ class Connection(base.Connection):
     def upgrade(self, nocreate=False):
         engine = self._engine_facade.get_engine()
         engine.connect()
-        models.Base.metadata.drop_all(
-            engine, tables=[models.Event.__table__,
-                            models.GraphSnapshot.__table__])
         models.Base.metadata.create_all(
             engine, tables=[models.ActiveAction.__table__,
                             models.Template.__table__,
-                            models.Webhooks.__table__])
+                            models.Webhooks.__table__,
+                            models.Event.__table__,
+                            models.GraphSnapshot.__table__])
         # TODO(idan_hefetz) upgrade logic is missing
 
     def disconnect(self):
diff --git a/vitrage/tests/functional/entity_graph/graph_persistor/test_graph_persistor.py b/vitrage/tests/functional/entity_graph/graph_persistor/test_graph_persistor.py
index 59e9516bd..e54348c63 100644
--- a/vitrage/tests/functional/entity_graph/graph_persistor/test_graph_persistor.py
+++ b/vitrage/tests/functional/entity_graph/graph_persistor/test_graph_persistor.py
@@ -12,7 +12,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 import time
-import unittest
 
 from oslo_config import cfg
 from oslo_db.options import database_opts
@@ -43,7 +42,6 @@ class TestGraphPersistor(TestFunctionalBase):
         cls.load_datasources(cls.conf)
         cls.graph_persistor = GraphPersistor(cls.conf)
 
-    @unittest.skip("persistency is disabled in queens")
     def test_persist_graph(self):
         g = GraphGenerator().create_graph()
         current_time = utcnow()
@@ -53,7 +51,6 @@ class TestGraphPersistor(TestFunctionalBase):
         self.assert_graph_equal(g, graph_snapshot)
         self.graph_persistor.delete_graph_snapshots(utcnow())
 
-    @unittest.skip("persistency is disabled in queens")
     def test_persist_two_graphs(self):
         g1 = GraphGenerator().create_graph()
         current_time1 = utcnow()
@@ -71,7 +68,6 @@ class TestGraphPersistor(TestFunctionalBase):
         self.assert_graph_equal(g2, graph_snapshot2)
         self.graph_persistor.delete_graph_snapshots(utcnow())
 
-    @unittest.skip("persistency is disabled in queens")
     def test_load_last_graph_snapshot_until_timestamp(self):
         g1 = GraphGenerator().create_graph()
         self.graph_persistor.last_event_timestamp = utcnow()
@@ -89,7 +85,6 @@ class TestGraphPersistor(TestFunctionalBase):
         self.assert_graph_equal(g1, graph_snapshot)
         self.graph_persistor.delete_graph_snapshots(utcnow())
 
-    @unittest.skip("persistency is disabled in queens")
     def test_delete_graph_snapshots(self):
         g = GraphGenerator().create_graph()
         self.graph_persistor.last_event_timestamp = utcnow()