diff --git a/app/assets/javascripts/controllers/admin/calendar.js.erb b/app/assets/javascripts/controllers/admin/calendar.js.erb
index 85d95c1db..71fbd47b3 100644
--- a/app/assets/javascripts/controllers/admin/calendar.js.erb
+++ b/app/assets/javascripts/controllers/admin/calendar.js.erb
@@ -813,8 +813,35 @@ Application.Controllers.controller('AdminICalendarController', ['$scope', 'iCale
      * @param calendar
      */
     $scope.delete = function (calendar) {
-      const idx = $scope.calendars.indexOf(calendar);
-      $scope.calendars.splice(idx, 1);
+      ICalendar.delete(
+        { id: calendar.id },
+        function () {
+          // success
+          const idx = $scope.calendars.indexOf(calendar);
+          $scope.calendars.splice(idx, 1);
+        }, function (error) {
+          // failed
+          growl.error(_t('icalendar.delete_failed'));
+          console.error(error);
+        });
+    }
+
+    /**
+     * Asynchronously re-fetches the events from the given calendar
+     * @param calendar
+     */
+    $scope.sync = function (calendar) {
+      ICalendar.sync(
+        { id: calendar.id },
+        function () {
+          // success
+          growl.info(_t('icalendar.refresh'));
+        }, function (error) {
+          // failed
+          growl.error(_t('icalendar.sync_failed'));
+          console.error(error);
+        }
+      )
     }
   }
 ]);
diff --git a/app/assets/javascripts/services/icalendar.js b/app/assets/javascripts/services/icalendar.js
index 21d30843e..1e01bd5e3 100644
--- a/app/assets/javascripts/services/icalendar.js
+++ b/app/assets/javascripts/services/icalendar.js
@@ -6,6 +6,11 @@ Application.Services.factory('ICalendar', ['$resource', function ($resource) {
       events: {
         method: 'GET',
         url: '/api/i_calendar/events'
+      },
+      sync: {
+        method: 'POST',
+        url: '/api/i_calendar/:id/sync',
+        params: { id: '@id' }
       }
     }
   );
diff --git a/app/assets/templates/admin/calendar/icalendar.html b/app/assets/templates/admin/calendar/icalendar.html
index fec55b748..6c9411d48 100644
--- a/app/assets/templates/admin/calendar/icalendar.html
+++ b/app/assets/templates/admin/calendar/icalendar.html
@@ -33,7 +33,7 @@
           <th style="width: 35%;" translate>{{ 'icalendar.name' }}</th>
           <th style="width: 35%;" translate>{{ 'icalendar.url' }}</th>
           <th translate>{{ 'icalendar.display' }}</th>
-          <th></th>
+          <th style="width: 10%;"></th>
         </tr>
         </thead>
         <tbody>
@@ -42,6 +42,7 @@
           <td class="calendar-url"><a href="{{calendar.url}}" target="_blank">{{calendar.url}}</a></td>
           <td class="calendar-legend-block text-left"><span class="calendar-legend" ng-style="calendarStyle(calendar)" translate> {{ calendar.textHidden ? '' : 'icalendar.example' }}</span>
           <td class="calendar-actions">
+            <button class="btn btn-info" ng-click="sync(calendar)"><i class="fa fa-refresh"></i></button>
             <button class="btn btn-danger" ng-click="delete(calendar)"><i class="fa fa-trash"></i></button>
           </td>
         </tr>
diff --git a/app/controllers/api/i_calendar_controller.rb b/app/controllers/api/i_calendar_controller.rb
index 6b798921f..c506507fe 100644
--- a/app/controllers/api/i_calendar_controller.rb
+++ b/app/controllers/api/i_calendar_controller.rb
@@ -43,6 +43,11 @@ class API::ICalendarController < API::ApiController
     end
   end
 
+  def sync
+    puts '[TODO] run worker'
+    render json: { processing: true }, status: :created
+  end
+
   private
 
   def set_i_cal
diff --git a/config/locales/app.admin.fr.yml b/config/locales/app.admin.fr.yml
index ada28f728..e5218afc6 100644
--- a/config/locales/app.admin.fr.yml
+++ b/config/locales/app.admin.fr.yml
@@ -103,6 +103,9 @@ fr:
           hidden: "Caché"
           shown: "Affiché"
           create_error: "Impossible de créer l'import iCalendar. Veuillez réessayer ultérieurement"
+          delete_failed: "Impossible de supprimer l'import iCalendar. Veuillez réessayer ultérieurement"
+          refresh: "Mise à jour en cours..."
+          sync_failed: "Impossible de synchroniser l'URL. Veuillez réessayer ultérieurement"
 
       project_elements:
         # gestion des éléments constituant les projets
diff --git a/config/routes.rb b/config/routes.rb
index bcb92b44c..a8f97dcbc 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -114,6 +114,7 @@ Rails.application.routes.draw do
 
     resources :i_calendar, only: %i[index create destroy] do
       get 'events', on: :collection
+      post 'sync', on: :member
     end
 
     # for admin