diff --git a/novadocker/tests/virt/docker/test_driver.py b/novadocker/tests/virt/docker/test_driver.py
index 8469161..be13314 100644
--- a/novadocker/tests/virt/docker/test_driver.py
+++ b/novadocker/tests/virt/docker/test_driver.py
@@ -434,7 +434,7 @@ class DockerDriverTestCase(test_virt_drivers._VirtDriverTestCase,
     def test_get_memory_limit_from_sys_meta_in_object(self):
         instance = utils.get_test_instance(obj=True)
         limit = self.connection._get_memory_limit_bytes(instance)
-        self.assertEqual(2048 * units.Mi, limit)
+        self.assertEqual(512 * units.Mi, limit)
 
     def test_get_memory_limit_from_sys_meta_in_db_instance(self):
         instance = utils.get_test_instance(obj=False)
diff --git a/requirements.txt b/requirements.txt
index dc22dfe..05c206e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Babel>=1.3 # BSD
 six>=1.9.0 # MIT
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.5.0 # Apache-2.0
-oslo.config>=3.7.0 # Apache-2.0
+oslo.config>=3.9.0 # Apache-2.0
 oslo.concurrency>=3.5.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 docker-py>=1.6.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 25f7b2a..bcd9706 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@ hacking<0.11,>=0.10.0
 
 coverage>=3.6 # Apache-2.0
 discover # BSD
-fixtures>=1.3.1 # Apache-2.0/BSD
+fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
 python-subunit>=0.0.18 # Apache-2.0/BSD
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0