diff --git a/tobiko/tests/functional/openstack/stacks/test_cirros.py b/tobiko/tests/functional/openstack/stacks/test_cirros.py
index 0bd57bdd0..5012dd8fe 100644
--- a/tobiko/tests/functional/openstack/stacks/test_cirros.py
+++ b/tobiko/tests/functional/openstack/stacks/test_cirros.py
@@ -18,6 +18,7 @@ from __future__ import absolute_import
 import typing
 
 import netaddr
+import pytest
 import testtools
 
 import tobiko
@@ -136,6 +137,7 @@ class EvacuablesServerStackTest(CirrosServerStackTest):
         self.assertEqual(['evacuable'], image.tags)
 
 
+@pytest.mark.flaky(reruns=2, reruns_delay=60)
 class CirrosPeerServerStackTest(CirrosServerStackTest):
 
     #: Stack of resources with an HTTP server
diff --git a/tobiko/tests/functional/shell/test_curl.py b/tobiko/tests/functional/shell/test_curl.py
index 58d5c5e01..3858e6785 100644
--- a/tobiko/tests/functional/shell/test_curl.py
+++ b/tobiko/tests/functional/shell/test_curl.py
@@ -19,6 +19,7 @@ import os.path
 import typing
 
 import netaddr
+import pytest
 import testtools
 
 import tobiko
@@ -29,6 +30,7 @@ from tobiko.openstack import keystone
 from tobiko.openstack import stacks
 
 
+@pytest.mark.flaky(reruns=2, reruns_delay=60)
 @keystone.skip_unless_has_keystone_credentials()
 class TestCurlExecute(testtools.TestCase):