diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44e84aef8..3041a7f80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,7 +18,13 @@ Version 1.5.5
 - Fix error on the "see more" link which was not showed
 - Layout of the task list
 
+Version 1.5.6
+=============
+
+- fix: validation error on warning date interval is not shown
+- add privacy events to task show / list;
+- add privacy events to task edit / update;
+
 branch `master`
 ==============
 
-- fix: validation error on warning date interval is not shown
diff --git a/Controller/SingleTaskController.php b/Controller/SingleTaskController.php
index ac8e72717..54a584182 100644
--- a/Controller/SingleTaskController.php
+++ b/Controller/SingleTaskController.php
@@ -2,6 +2,7 @@
 
 namespace Chill\TaskBundle\Controller;
 
+use Chill\PersonBundle\Privacy\PrivacyEvent;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
 use Doctrine\ORM\EntityManager;
@@ -30,7 +31,23 @@ use Chill\MainBundle\Repository\CenterRepository;
 
 class SingleTaskController extends Controller
 {
-
+    
+    /**
+     * @var EventDispatcherInterface
+     */
+    protected $eventDispatcher;
+    
+    /**
+     * SingleTaskController constructor.
+     *
+     * @param EventDispatcherInterface $eventDispatcher
+     */
+    public function __construct(EventDispatcherInterface $eventDispatcher)
+    {
+        $this->eventDispatcher = $eventDispatcher;
+    }
+    
+    
     /**
      * @Route(
      * "/{_locale}/task/single-task/new",
@@ -39,7 +56,6 @@ class SingleTaskController extends Controller
      */
     public function newAction(
         Request $request,
-        EventDispatcherInterface $dispatcher,
         TranslatorInterface $translator
     ) {
 
@@ -78,7 +94,7 @@ class SingleTaskController extends Controller
                 $em = $this->getDoctrine()->getManager();
                 $em->persist($task);
 
-                $dispatcher->dispatch(TaskEvent::PERSIST, new TaskEvent($task));
+                $this->eventDispatcher->dispatch(TaskEvent::PERSIST, new TaskEvent($task));
 
                 $em->flush();
 
@@ -137,7 +153,14 @@ class SingleTaskController extends Controller
 
         $timeline = $this->get('chill.main.timeline_builder')
             ->getTimelineHTML('task', array('task' => $task));
-
+    
+        $event = new PrivacyEvent($person, array(
+            'element_class' => SingleTask::class,
+            'element_id' => $task->getId(),
+            'action' => 'show'
+        ));
+        $this->eventDispatcher->dispatch(PrivacyEvent::PERSON_PRIVACY_EVENT, $event);
+        
         return $this->render('ChillTaskBundle:SingleTask:show.html.twig', array(
             'task'      => $task,
             'timeline'  => $timeline
@@ -154,8 +177,7 @@ class SingleTaskController extends Controller
     public function editAction(
         Request $request,
         $id,
-        TranslatorInterface $translator,
-        EventDispatcherInterface $dispatcher
+        TranslatorInterface $translator
     ) {
         /* @var $taskRepository SingleTaskRepository */
         $taskRepository = $this->get('chill_task.single_task_repository');
@@ -187,7 +209,7 @@ class SingleTaskController extends Controller
             ->setForm($this->setCreateForm($task, new Role(TaskVoter::UPDATE)))
             ;
         
-        $dispatcher->dispatch(UIEvent::EDIT_FORM, $event);
+        $this->eventDispatcher->dispatch(UIEvent::EDIT_FORM, $event);
         
         $form = $event->getForm();
 
@@ -202,6 +224,13 @@ class SingleTaskController extends Controller
 
                 $this->addFlash('success', $translator
                     ->trans("The task has been updated"));
+    
+                $event = new PrivacyEvent($person, array(
+                    'element_class' => SingleTask::class,
+                    'element_id' => $task->getId(),
+                    'action' => 'update'
+                ));
+                $this->eventDispatcher->dispatch(PrivacyEvent::PERSON_PRIVACY_EVENT, $event);
 
                 return $this->redirectToRoute(
                     'chill_task_singletask_list', 
@@ -213,12 +242,19 @@ class SingleTaskController extends Controller
             }
         }
         
-        $dispatcher->dispatch(UIEvent::EDIT_PAGE, $event);
+        $this->eventDispatcher->dispatch(UIEvent::EDIT_PAGE, $event);
         
         if ($event->hasResponse()) {
             return $event->getResponse();
         }
-        
+    
+        $event = new PrivacyEvent($person, array(
+            'element_class' => SingleTask::class,
+            'element_id' => $task->getId(),
+            'action' => 'edit'
+        ));
+        $this->eventDispatcher->dispatch(PrivacyEvent::PERSON_PRIVACY_EVENT, $event);
+    
         return $this->render('ChillTaskBundle:SingleTask:edit.html.twig', array(
             'task'      => $task,
             'form'      => $form->createView()
@@ -503,6 +539,12 @@ class SingleTaskController extends Controller
         ]);
 
         $form->handleRequest($request);
+    
+        $event = new PrivacyEvent($person, array(
+            'element_class' => SingleTask::class,
+            'action' => 'list'
+        ));
+        $this->eventDispatcher->dispatch(PrivacyEvent::PERSON_PRIVACY_EVENT, $event);
         
         return $this->render('ChillTaskBundle:SingleTask:index.html.twig',
             \array_merge($viewParams, [ 'form' => $form->createView() ]));
diff --git a/Resources/config/services/controller.yml b/Resources/config/services/controller.yml
index 96ee21611..bfeffa0d5 100644
--- a/Resources/config/services/controller.yml
+++ b/Resources/config/services/controller.yml
@@ -2,3 +2,8 @@ services:
     Chill\TaskBundle\Controller\:
         resource: '../../../Controller'
         tags: ['controller.service_arguments']
+
+    Chill\TaskBundle\Controller\SingleTaskController:
+        arguments:
+            $eventDispatcher: '@Symfony\Component\EventDispatcher\EventDispatcherInterface'
+        tags: ['controller.service_arguments']