diff --git a/compose/config/serialize.py b/compose/config/serialize.py
index caf4f1fbe..aaaf05399 100644
--- a/compose/config/serialize.py
+++ b/compose/config/serialize.py
@@ -7,9 +7,9 @@ import yaml
 from compose.config import types
 from compose.const import COMPOSEFILE_V1 as V1
 from compose.const import COMPOSEFILE_V2_1 as V2_1
-from compose.const import COMPOSEFILE_V2_1 as V2_2
+from compose.const import COMPOSEFILE_V2_2 as V2_2
 from compose.const import COMPOSEFILE_V3_1 as V3_1
-from compose.const import COMPOSEFILE_V3_1 as V3_2
+from compose.const import COMPOSEFILE_V3_2 as V3_2
 
 
 def serialize_config_type(dumper, data):
diff --git a/tests/acceptance/cli_test.py b/tests/acceptance/cli_test.py
index bceb102a2..bfc963402 100644
--- a/tests/acceptance/cli_test.py
+++ b/tests/acceptance/cli_test.py
@@ -323,6 +323,7 @@ class CLITestCase(DockerClientTestCase):
         assert yaml.load(result.stdout) == {
             'version': '3.2',
             'networks': {},
+            'secrets': {},
             'volumes': {
                 'foobar': {
                     'labels': {