diff --git a/app/controllers/admin/change_dossier_state_controller.rb b/app/controllers/admin/change_dossier_state_controller.rb
new file mode 100644
index 000000000..86611da4f
--- /dev/null
+++ b/app/controllers/admin/change_dossier_state_controller.rb
@@ -0,0 +1,14 @@
+class Admin::ChangeDossierStateController < AdminController
+  def index
+    @dossier = Dossier.new
+  end
+
+  def change
+    @dossier = Dossier.find(params[:dossier][:id])
+    @dossier.update state: params[:next_state]
+  end
+
+  def check
+    @dossier = Dossier.find(params[:dossier][:id])
+  end
+end
\ No newline at end of file
diff --git a/app/views/admin/change_dossier_state/change.html.haml b/app/views/admin/change_dossier_state/change.html.haml
new file mode 100644
index 000000000..36316f51f
--- /dev/null
+++ b/app/views/admin/change_dossier_state/change.html.haml
@@ -0,0 +1,16 @@
+.center
+  %h2 Outil de changement d'état d'un dossier
+
+  %h4.text-success
+    Changement effectué
+
+  = form_for @dossier, url: 'change_dossier_state', action: :put do |f|
+    Dossier ID :
+    = @dossier.id
+    %br
+    État :
+    = @dossier.decorate.display_state
+
+    %br
+    %br
+    = link_to 'Réaliser un autre dossier', 'change_dossier_state'
\ No newline at end of file
diff --git a/app/views/admin/change_dossier_state/check.html.haml b/app/views/admin/change_dossier_state/check.html.haml
new file mode 100644
index 000000000..c77a2a61c
--- /dev/null
+++ b/app/views/admin/change_dossier_state/check.html.haml
@@ -0,0 +1,17 @@
+.center
+  %h2 Outil de changement d'état d'un dossier
+
+  = form_for @dossier, url: 'change_dossier_state', action: :put do |f|
+    Dossier ID :
+    = @dossier.id
+    = f.hidden_field :id
+    %br
+    État :
+    = @dossier.decorate.display_state
+    %br
+    État souhaité :
+    %select{id: :next_state, name: :next_state}
+      - Dossier.states.each do |state|
+        %option{value: state[0]}
+          =DossierDecorator.case_state_fr state[1]
+    = f.submit 'Valider'
\ No newline at end of file
diff --git a/app/views/admin/change_dossier_state/index.html.haml b/app/views/admin/change_dossier_state/index.html.haml
new file mode 100644
index 000000000..525023b5f
--- /dev/null
+++ b/app/views/admin/change_dossier_state/index.html.haml
@@ -0,0 +1,7 @@
+.center
+  %h2 Outil de changement d'état d'un dossier
+
+  = form_for @dossier, url: 'change_dossier_state', action: :post do |f|
+    Dossier ID
+    = f.text_field :id
+    = f.submit 'Vérifier état'
diff --git a/config/routes.rb b/config/routes.rb
index a71414e61..abe924522 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -106,6 +106,10 @@ Rails.application.routes.draw do
     get 'procedures/path_list' => 'procedures#path_list'
     get 'profile' => 'profile#show', as: :profile
 
+    get 'change_dossier_state' => 'change_dossier_state#index'
+    post 'change_dossier_state' => 'change_dossier_state#check'
+    patch 'change_dossier_state' => 'change_dossier_state#change'
+
     resources :procedures do
       resources :types_de_champ, only: [:destroy]
       resource :types_de_champ, only: [:show, :update] do