diff --git a/project_task_dependency/__manifest__.py b/project_task_dependency/__manifest__.py
index a05c3cbd8e..5a10e614db 100644
--- a/project_task_dependency/__manifest__.py
+++ b/project_task_dependency/__manifest__.py
@@ -1,17 +1,22 @@
-# © 2016 Onestein (<http://www.onestein.eu>)
+# Copyright 2016-2020 Onestein (<http://www.onestein.eu>)
 # Copyright 2020 Tecnativa - Manuel Calero
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 {
     "name": "Project Task Dependencies",
-    "version": "13.0.1.0.0",
+    "version": "14.0.1.0.0",
     "category": "Project",
     "website": "https://github.com/OCA/project",
     "summary": "Enables to define dependencies (other tasks) of a task",
     "author": "Onestein,Odoo Community Association (OCA)",
     "license": "AGPL-3",
+    "development_status": "Production/Stable",
+    "maintainers": ["astirpe"],
     "depends": ["project"],
-    "data": ["views/project_task_view.xml"],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/project_task_view.xml",
+    ],
     "installable": True,
     "auto_install": False,
 }
diff --git a/project_task_dependency/models/project_project.py b/project_task_dependency/models/project_project.py
index db7d6895d8..4dba317e52 100644
--- a/project_task_dependency/models/project_project.py
+++ b/project_task_dependency/models/project_project.py
@@ -1,4 +1,4 @@
-# Copyright 2018 Onestein
+# Copyright 2018-2020 Onestein
 # Copyright 2020 Tecnativa - Manuel Calero
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
diff --git a/project_task_dependency/models/project_task.py b/project_task_dependency/models/project_task.py
index da916fab9e..4d18d68234 100644
--- a/project_task_dependency/models/project_task.py
+++ b/project_task_dependency/models/project_task.py
@@ -1,4 +1,4 @@
-# Copyright 2016-2018 Onestein (<http://www.onestein.eu>)
+# Copyright 2016-2020 Onestein (<http://www.onestein.eu>)
 # Copyright 2020 Tecnativa - Manuel Calero
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
@@ -81,7 +81,7 @@ def _check_dependency_recursion(self):
             )
 
     def copy(self, default=None):
-        res = super(ProjectTask, self).copy(default)
+        res = super().copy(default)
         if self.env.context.get("project_copy"):
             self.env["project.task.copy.map"].create(
                 {"old_task_id": self.id, "new_task_id": res.id}
diff --git a/project_task_dependency/models/project_task_copy_map.py b/project_task_dependency/models/project_task_copy_map.py
index 551a806345..383f7205ab 100644
--- a/project_task_dependency/models/project_task_copy_map.py
+++ b/project_task_dependency/models/project_task_copy_map.py
@@ -1,4 +1,4 @@
-# Copyright 2018 Onestein
+# Copyright 2018-2020 Onestein
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 from odoo import fields, models
diff --git a/project_task_dependency/security/ir.model.access.csv b/project_task_dependency/security/ir.model.access.csv
new file mode 100644
index 0000000000..762b0e67b1
--- /dev/null
+++ b/project_task_dependency/security/ir.model.access.csv
@@ -0,0 +1,4 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_project_task_copy_map_project_user,access_project_task_copy_map project_user,model_project_task_copy_map,project.group_project_user,1,1,1,1
+access_project_task_copy_map_base_user,access_project_task_copy_map base_user,model_project_task_copy_map,base.group_user,1,0,0,0
+access_project_task_copy_map_portal,access_project_task_copy_map portal,model_project_task_copy_map,base.group_portal,1,0,0,0
diff --git a/project_task_dependency/tests/test_project_task_dependency.py b/project_task_dependency/tests/test_project_task_dependency.py
index 16a6ae02bf..beca5d18c0 100644
--- a/project_task_dependency/tests/test_project_task_dependency.py
+++ b/project_task_dependency/tests/test_project_task_dependency.py
@@ -1,4 +1,4 @@
-# Copyright 2016-2018 Onestein (<http://www.onestein.eu>)
+# Copyright 2016-2020 Onestein (<http://www.onestein.eu>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from odoo.exceptions import ValidationError
@@ -7,7 +7,7 @@
 
 class TestProjectTaskDependency(TransactionCase):
     def setUp(self):
-        super(TestProjectTaskDependency, self).setUp()
+        super().setUp()
 
         self.project1 = self.env["project.project"].create(
             {"name": "Nice Project Test Dependencies One"}