diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 216837bc..5c6a6ed2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,7 @@ test:
   stage: test
   script:
   - apt-get update
-  - apt-get install -y gettext python3-xapian
+  - apt-get install -y gettext python3-xapian libgraphviz-dev
   - pushd /usr/lib/python3/dist-packages/xapian && ln -s _xapian* _xapian.so && popd
   - export PYTHONPATH="/usr/lib/python3/dist-packages:$PYTHONPATH"
   - python -c 'import xapian' # Fail immediately if there is a problem with xapian
diff --git a/core/tests.py b/core/tests.py
index 92e41a98..ff482067 100644
--- a/core/tests.py
+++ b/core/tests.py
@@ -396,6 +396,21 @@ http://git.an
         )
 
 
+class UserToolsTest(TestCase):
+    def setUp(self):
+        call_command("populate")
+
+    def test_anonymous_user_unauthorized(self):
+        response = self.client.get(reverse("core:user_tools"))
+        self.assertEquals(response.status_code, 403)
+
+    def test_page_is_working(self):
+        self.client.login(username="guy", password="plop")
+        response = self.client.get(reverse("core:user_tools"))
+        self.assertNotEquals(response.status_code, 500)
+        self.assertEquals(response.status_code, 200)
+
+
 # TODO: many tests on the pages:
 #   - renaming a page
 #   - changing a page's parent --> check that page's children's full_name
diff --git a/core/views/__init__.py b/core/views/__init__.py
index 202b08fa..41bd5eee 100644
--- a/core/views/__init__.py
+++ b/core/views/__init__.py
@@ -214,6 +214,17 @@ class FormerSubscriberMixin(View):
         return super(FormerSubscriberMixin, self).dispatch(request, *args, **kwargs)
 
 
+class UserIsLoggedMixin(View):
+    """
+    This view check if the user is logged
+    """
+
+    def dispatch(self, request, *args, **kwargs):
+        if request.user.is_anonymous:
+            raise PermissionDenied
+        return super(UserIsLoggedMixin, self).dispatch(request, *args, **kwargs)
+
+
 class TabedViewMixin(View):
     """
     This view provide the basic functions for displaying tabs in the template
diff --git a/core/views/user.py b/core/views/user.py
index 019cda0a..63135872 100644
--- a/core/views/user.py
+++ b/core/views/user.py
@@ -52,6 +52,7 @@ from core.views import (
     CanViewMixin,
     CanEditMixin,
     CanEditPropMixin,
+    UserIsLoggedMixin,
     TabedViewMixin,
     QuickNotifMixin,
 )
@@ -762,7 +763,7 @@ class UserUpdateGroupView(UserTabsMixin, CanEditPropMixin, UpdateView):
     current_tab = "groups"
 
 
-class UserToolsView(QuickNotifMixin, UserTabsMixin, TemplateView):
+class UserToolsView(QuickNotifMixin, UserTabsMixin, UserIsLoggedMixin, TemplateView):
     """
     Displays the logged user's tools
     """
diff --git a/requirements.txt b/requirements.txt
index 2efe3c6d..d5b5edd8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ mistune
 django-jinja
 pyopenssl
 pytz
-djangorestframework
+djangorestframework <3.10
 django-phonenumber-field
 phonenumbers
 django-ajax-selects