diff --git a/lower-constraints.txt b/lower-constraints.txt
index de3c6d5b370..aeb3809e6e2 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,5 +1,5 @@
 alabaster==0.7.10
-alembic==0.9.6
+alembic==1.6.5
 amqp==2.5.0
 appdirs==1.4.3
 Babel==2.3.4
diff --git a/neutron/tests/functional/db/test_migrations.py b/neutron/tests/functional/db/test_migrations.py
index 0aa5f488800..7494fbcea4e 100644
--- a/neutron/tests/functional/db/test_migrations.py
+++ b/neutron/tests/functional/db/test_migrations.py
@@ -363,16 +363,13 @@ class TestModelsMigrationsMysql(testlib_api.MySQLTestCaseMixin,
             self.assertEqual(0, len(res), "%s non InnoDB tables created" % res)
 
     def test_models_sync(self):
-        self.skipTest('bug 1929518')
         super(TestModelsMigrationsMysql, self).test_models_sync()
 
 
 class TestModelsMigrationsPsql(testlib_api.PostgreSQLTestCaseMixin,
                                _TestModelsMigrations,
                                testlib_api.SqlTestCaseLight):
-    def test_models_sync(self):
-        self.skipTest('bug 1929518')
-        super().test_models_sync()
+    pass
 
 
 class TestSanityCheck(testlib_api.SqlTestCaseLight):
diff --git a/requirements.txt b/requirements.txt
index 915f101b998..2665bde884a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ tenacity>=6.0.0 # Apache-2.0
 SQLAlchemy>=1.3.23 # MIT
 WebOb>=1.8.2 # MIT
 keystoneauth1>=3.14.0 # Apache-2.0
-alembic>=0.9.6 # MIT
+alembic>=1.6.5 # MIT
 stevedore>=1.20.0 # Apache-2.0
 oslo.cache>=1.26.0 # Apache-2.0
 oslo.concurrency>=3.26.0 # Apache-2.0