diff --git a/projects/views.py b/projects/views.py
index 7ea3aba8e542660756ad10fe252e0349d1a33b16..18ccff62895f9605a94d48f315bf3728b4f4126d 100644
--- a/projects/views.py
+++ b/projects/views.py
@@ -358,7 +358,7 @@ class EditionViewSet(viewsets.ReadOnlyModelViewSet):
         return download_files_zip(request, form=form, folder=folder)
 
 
-class ParticipationViewSet(mixins.CreateModelMixin,
+class ParticipationViewSet(mixins.CreateModelMixin, mixins.DestroyModelMixin,
                            viewsets.ReadOnlyModelViewSet):
     """Endpoints for manipulating participations to project editions.