diff --git a/setup.py b/setup.py
index 46157e59..ea9fdc7d 100644
--- a/setup.py
+++ b/setup.py
@@ -135,7 +135,7 @@ setup(
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
     ],
-    install_requires=['django>=1.8, <1.9',
+    install_requires=['django>=1.8, <1.12',
         'gadjo',
         'djangorestframework>=3.1, <3.7',
         'django-jsonfield >= 0.9.3',
diff --git a/tests/test_manager.py b/tests/test_manager.py
index e19f6343..64d47e8a 100644
--- a/tests/test_manager.py
+++ b/tests/test_manager.py
@@ -54,7 +54,7 @@ def login(app, username='admin', password='admin'):
 
 def test_unlogged_access(app):
     # connect while not being logged in
-    assert app.get('/manage/', status=302).location == 'http://testserver/login/?next=/manage/'
+    assert app.get('/manage/', status=302).location.endswith('/login/?next=/manage/')
 
 def test_simple_user_access(app, simple_user):
     # connect while being logged as a simple user, access should be forbidden
@@ -82,7 +82,7 @@ def test_manager_user_access(app, manager_user):
     assert app.get('/manage/', status=200)
 
 def test_home_redirect(app):
-    assert app.get('/', status=302).location == 'http://testserver/manage/'
+    assert app.get('/', status=302).location.endswith('/manage/')
 
 def test_access(app, admin_user):
     app = login(app)
@@ -93,12 +93,7 @@ def test_access(app, admin_user):
 def test_logout(app, admin_user):
     app = login(app)
     app.get('/logout/')
-    assert app.get('/manage/', status=302).location == 'http://testserver/login/?next=/manage/'
-
-def test_logout_next(app, admin_user):
-    app = login(app)
-    app.get('/logout/')
-    assert app.get('/manage/', status=302).location == 'http://testserver/login/?next=/manage/'
+    assert app.get('/manage/', status=302).location.endswith('/login/?next=/manage/')
 
 def test_menu_json(app, admin_user):
     app = login(app)
@@ -132,7 +127,7 @@ def test_add_agenda(app, admin_user):
     resp = resp.form.submit()
 
     agenda = Agenda.objects.get(label='Foo bar')
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     resp = resp.follow()
     assert '<h2>Foo bar' in resp.body
 
@@ -156,7 +151,7 @@ def test_options_agenda(app, admin_user):
     assert resp.form['label'].value == 'Foo bar'
     resp.form['label'] = 'Foo baz'
     resp = resp.form.submit()
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     resp = resp.follow()
     assert '<h2>Foo baz' in resp.body
 
@@ -179,7 +174,7 @@ def test_options_agenda_as_manager(app, manager_user):
     assert resp.form['label'].value == 'Foo bar'
     resp.form['label'] = 'Foo baz'
     resp = resp.form.submit()
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     resp = resp.follow()
     assert '<h2>Foo baz' in resp.body
 
@@ -191,7 +186,7 @@ def test_delete_agenda(app, admin_user):
     resp = resp.click('Foo bar')
     resp = resp.click('Delete')
     resp = resp.form.submit()
-    assert resp.location == 'http://testserver/manage/'
+    assert resp.location.endswith('/manage/')
     resp = resp.follow()
     assert not 'Foo bar' in resp.body
 
@@ -390,7 +385,7 @@ def test_delete_event(app, admin_user):
     resp = resp.click(href=r'/manage/events/%s/$' % event.id)
     resp = resp.click('Delete')
     resp = resp.form.submit()
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     assert Event.objects.count() == 0
 
 def test_delete_busy_event(app, admin_user):
@@ -439,7 +434,7 @@ def test_delete_event_as_manager(app, manager_user):
     resp = resp.click(href=r'/manage/events/%s/$' % event.id)
     resp = resp.click('Delete')
     resp = resp.form.submit()
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     assert Event.objects.count() == 0
 
 def test_import_events(app, admin_user):
@@ -527,7 +522,7 @@ def test_add_meetings_agenda(app, admin_user):
     resp.form['kind'] = 'meetings'
     resp = resp.form.submit()
     agenda = Agenda.objects.get(label='Foo bar')
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     resp = resp.follow()
     assert '<h2>Foo bar' in resp.body
     assert 'Meeting Types' in resp.body
@@ -567,7 +562,7 @@ def test_meetings_agenda_delete_meeting_type(app, admin_user):
     resp = resp.click('Blah')
     resp = resp.click('Delete')
     resp = resp.form.submit()
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     assert MeetingType.objects.count() == 0
 
 def test_meetings_agenda_add_time_period(app, admin_user):
@@ -627,7 +622,7 @@ def test_meetings_agenda_delete_time_period(app, admin_user):
     resp = resp.click('Wednesday')
     resp = resp.click('Delete')
     resp = resp.form.submit()
-    assert resp.location == 'http://testserver/manage/agendas/%s/' % agenda.id
+    assert resp.location.endswith('/manage/agendas/%s/' % agenda.id)
     assert TimePeriod.objects.count() == 0
 
 
diff --git a/tests/test_sso.py b/tests/test_sso.py
index 25f86abd..94edb3c7 100644
--- a/tests/test_sso.py
+++ b/tests/test_sso.py
@@ -10,12 +10,12 @@ pytestmark = pytest.mark.django_db
 def test_sso(app):
     with override_settings(MELLON_IDENTITY_PROVIDERS=[{'METADATA': 'x', 'ENTITY_ID': 'x'}]):
         resp = app.get('/login/')
-        assert resp.location == 'http://testserver/accounts/mellon/login/'
+        assert resp.location.endswith('/accounts/mellon/login/')
 
         resp = app.get('/login/?next=/manage/')
-        assert resp.location == 'http://testserver/accounts/mellon/login/?next=/manage/'
+        assert resp.location.endswith('/accounts/mellon/login/?next=/manage/')
 
 def test_slo(app):
     with override_settings(MELLON_IDENTITY_PROVIDERS=[{'METADATA': 'x', 'ENTITY_ID': 'x'}]):
         resp = app.get('/logout/')
-        assert resp.location == 'http://testserver/accounts/mellon/logout/'
+        assert resp.location.endswith('/accounts/mellon/logout/')