diff --git a/tests/integration/test_exporter_api.py b/tests/integration/test_exporter_api.py
index 060b1c59..edf333e4 100644
--- a/tests/integration/test_exporter_api.py
+++ b/tests/integration/test_exporter_api.py
@@ -15,11 +15,11 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import pytest
-import json
 
 from django.core.urlresolvers import reverse
 
 from .. import factories as f
+from taiga.base.utils import json
 
 
 pytestmark = pytest.mark.django_db
diff --git a/tests/integration/test_history.py b/tests/integration/test_history.py
index 690b724e..f8f30998 100644
--- a/tests/integration/test_history.py
+++ b/tests/integration/test_history.py
@@ -15,7 +15,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import json
 import pytest
 from unittest.mock import MagicMock
 from unittest.mock import patch
@@ -23,6 +22,7 @@ from unittest.mock import patch
 from django.core.urlresolvers import reverse
 from .. import factories as f
 
+from taiga.base.utils import json
 from taiga.projects.history import services
 from taiga.projects.history.models import HistoryEntry
 from taiga.projects.history.choices import HistoryType
diff --git a/tests/integration/test_hooks_bitbucket.py b/tests/integration/test_hooks_bitbucket.py
index 2fd53059..f071400e 100644
--- a/tests/integration/test_hooks_bitbucket.py
+++ b/tests/integration/test_hooks_bitbucket.py
@@ -1,5 +1,4 @@
 import pytest
-import json
 import urllib
 
 from unittest import mock
@@ -8,6 +7,7 @@ from django.core.urlresolvers import reverse
 from django.core import mail
 from django.conf import settings
 
+from taiga.base.utils import json
 from taiga.hooks.bitbucket import event_hooks
 from taiga.hooks.bitbucket.api import BitBucketViewSet
 from taiga.hooks.exceptions import ActionSyntaxException
diff --git a/tests/integration/test_hooks_github.py b/tests/integration/test_hooks_github.py
index bd5103ae..08a33bbd 100644
--- a/tests/integration/test_hooks_github.py
+++ b/tests/integration/test_hooks_github.py
@@ -1,11 +1,11 @@
 import pytest
-import json
 
 from unittest import mock
 
 from django.core.urlresolvers import reverse
 from django.core import mail
 
+from taiga.base.utils import json
 from taiga.hooks.github import event_hooks
 from taiga.hooks.github.api import GitHubViewSet
 from taiga.hooks.exceptions import ActionSyntaxException
diff --git a/tests/integration/test_hooks_gitlab.py b/tests/integration/test_hooks_gitlab.py
index adf3970c..2bb4305a 100644
--- a/tests/integration/test_hooks_gitlab.py
+++ b/tests/integration/test_hooks_gitlab.py
@@ -1,11 +1,11 @@
 import pytest
-import json
 
 from unittest import mock
 
 from django.core.urlresolvers import reverse
 from django.core import mail
 
+from taiga.base.utils import json
 from taiga.hooks.gitlab import event_hooks
 from taiga.hooks.gitlab.api import GitLabViewSet
 from taiga.hooks.exceptions import ActionSyntaxException
diff --git a/tests/integration/test_importer_api.py b/tests/integration/test_importer_api.py
index d458a1a6..2b2ad9fa 100644
--- a/tests/integration/test_importer_api.py
+++ b/tests/integration/test_importer_api.py
@@ -15,7 +15,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import pytest
-import json
 import base64
 import datetime
 
@@ -24,6 +23,7 @@ from django.core.files.base import ContentFile
 
 from .. import factories as f
 
+from taiga.base.utils import json
 from taiga.projects.models import Project
 from taiga.projects.issues.models import Issue
 from taiga.projects.userstories.models import UserStory
diff --git a/tests/integration/test_issues.py b/tests/integration/test_issues.py
index 5a3b4ac7..c415b492 100644
--- a/tests/integration/test_issues.py
+++ b/tests/integration/test_issues.py
@@ -1,5 +1,4 @@
 from unittest import mock
-import json
 
 from django.core.urlresolvers import reverse
 
diff --git a/tests/integration/test_notifications.py b/tests/integration/test_notifications.py
index 13e641c3..f100af22 100644
--- a/tests/integration/test_notifications.py
+++ b/tests/integration/test_notifications.py
@@ -15,7 +15,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import json
 import pytest
 import time
 from unittest.mock import MagicMock, patch
@@ -24,6 +23,7 @@ from django.core.urlresolvers import reverse
 from django.apps import apps
 from .. import factories as f
 
+from taiga.base.utils import json
 from taiga.projects.notifications import services
 from taiga.projects.notifications import models
 from taiga.projects.notifications.choices import NotifyLevel
diff --git a/tests/integration/test_timeline.py b/tests/integration/test_timeline.py
index db510ec4..d3f84a3b 100644
--- a/tests/integration/test_timeline.py
+++ b/tests/integration/test_timeline.py
@@ -15,11 +15,11 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import json
 import pytest
 
 from .. import factories
 
+from taiga.base.utils import json
 from taiga.timeline import service
 from taiga.timeline.models import Timeline
 
diff --git a/tests/integration/test_users.py b/tests/integration/test_users.py
index 7c749cdb..38b03ba1 100644
--- a/tests/integration/test_users.py
+++ b/tests/integration/test_users.py
@@ -1,11 +1,11 @@
 import pytest
-import json
 from tempfile import NamedTemporaryFile
 
 from django.core.urlresolvers import reverse
 
 from .. import factories as f
 
+from taiga.base.utils import json
 from taiga.users import models
 from taiga.auth.tokens import get_token_for_user
 
diff --git a/tests/integration/test_userstorage_api.py b/tests/integration/test_userstorage_api.py
index ad0fe680..fb2eef3f 100644
--- a/tests/integration/test_userstorage_api.py
+++ b/tests/integration/test_userstorage_api.py
@@ -15,12 +15,12 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import json
 import pytest
 
 from django.core.urlresolvers import reverse
 from .. import factories
 
+from taiga.base.utils import json
 
 pytestmark = pytest.mark.django_db
 
diff --git a/tests/utils.py b/tests/utils.py
index 6a437129..e30c90d0 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -15,9 +15,9 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import functools
-import json
 
 from django.db.models import signals
+from taiga.base.utils import json
 
 
 def signals_switch():