diff --git a/app/controllers/instructeurs/dossiers_controller.rb b/app/controllers/instructeurs/dossiers_controller.rb
index 78529a9ba..85bb998bf 100644
--- a/app/controllers/instructeurs/dossiers_controller.rb
+++ b/app/controllers/instructeurs/dossiers_controller.rb
@@ -97,12 +97,12 @@ module Instructeurs
     end
 
     def archive
-      dossier.update(archived: true)
+      dossier.archiver!(current_instructeur)
       redirect_back(fallback_location: instructeur_procedures_url)
     end
 
     def unarchive
-      dossier.update(archived: false)
+      dossier.desarchiver!(current_instructeur)
       redirect_back(fallback_location: instructeur_procedures_url)
     end
 
diff --git a/app/graphql/mutations/dossier_archiver.rb b/app/graphql/mutations/dossier_archiver.rb
new file mode 100644
index 000000000..aad9e79e0
--- /dev/null
+++ b/app/graphql/mutations/dossier_archiver.rb
@@ -0,0 +1,25 @@
+module Mutations
+  class DossierArchiver < Mutations::BaseMutation
+    description "Archiver le dossier."
+
+    argument :dossier_id, ID, "Dossier ID", required: true, loads: Types::DossierType
+    argument :instructeur_id, ID, "Instructeur qui prend la décision sur le dossier.", required: true, loads: Types::ProfileType
+
+    field :dossier, Types::DossierType, null: true
+    field :errors, [Types::ValidationErrorType], null: true
+
+    def resolve(dossier:, instructeur:)
+      if dossier.termine?
+        dossier.archiver!(instructeur)
+
+        { dossier: dossier }
+      else
+        { errors: ["Un dossier ne peut être archivé qu’une fois le traitement terminé"] }
+      end
+    end
+
+    def authorized?(dossier:, instructeur:)
+      instructeur.is_a?(Instructeur) && instructeur.dossiers.exists?(id: dossier.id)
+    end
+  end
+end
diff --git a/app/graphql/schema.graphql b/app/graphql/schema.graphql
index bf39ff900..e8cad479c 100644
--- a/app/graphql/schema.graphql
+++ b/app/graphql/schema.graphql
@@ -457,6 +457,38 @@ type DossierAccepterPayload {
   errors: [ValidationError!]
 }
 
+"""
+Autogenerated input type of DossierArchiver
+"""
+input DossierArchiverInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Dossier ID
+  """
+  dossierId: ID!
+
+  """
+  Instructeur qui prend la décision sur le dossier.
+  """
+  instructeurId: ID!
+}
+
+"""
+Autogenerated return type of DossierArchiver
+"""
+type DossierArchiverPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+  dossier: Dossier
+  errors: [ValidationError!]
+}
+
 """
 Autogenerated input type of DossierChangerGroupeInstructeur
 """
@@ -925,6 +957,11 @@ type Mutation {
   """
   dossierAccepter(input: DossierAccepterInput!): DossierAccepterPayload
 
+  """
+  Archiver le dossier.
+  """
+  dossierArchiver(input: DossierArchiverInput!): DossierArchiverPayload
+
   """
   Changer le grope instructeur du dossier.
   """
diff --git a/app/graphql/types/mutation_type.rb b/app/graphql/types/mutation_type.rb
index 1a0e8e32f..1651ed5fd 100644
--- a/app/graphql/types/mutation_type.rb
+++ b/app/graphql/types/mutation_type.rb
@@ -7,6 +7,7 @@ module Types
     field :dossier_classer_sans_suite, mutation: Mutations::DossierClasserSansSuite
     field :dossier_refuser, mutation: Mutations::DossierRefuser
     field :dossier_accepter, mutation: Mutations::DossierAccepter
+    field :dossier_archiver, mutation: Mutations::DossierArchiver
     field :dossier_changer_groupe_instructeur, mutation: Mutations::DossierChangerGroupeInstructeur
   end
 end
diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index 9fe7a7242..a2c69c6f4 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -416,6 +416,16 @@ class Dossier < ApplicationRecord
     end
   end
 
+  def archiver!(author)
+    update!(archived: true)
+    log_dossier_operation(author, :archiver)
+  end
+
+  def desarchiver!(author)
+    update!(archived: false)
+    log_dossier_operation(author, :desarchiver)
+  end
+
   def text_summary
     if brouillon?
       parts = [
diff --git a/app/models/dossier_operation_log.rb b/app/models/dossier_operation_log.rb
index 301dd1b3a..f52254f31 100644
--- a/app/models/dossier_operation_log.rb
+++ b/app/models/dossier_operation_log.rb
@@ -26,7 +26,9 @@ class DossierOperationLog < ApplicationRecord
     supprimer: 'supprimer',
     restaurer: 'restaurer',
     modifier_annotation: 'modifier_annotation',
-    demander_un_avis: 'demander_un_avis'
+    demander_un_avis: 'demander_un_avis',
+    archiver: 'archiver',
+    desarchiver: 'desarchiver'
   }
 
   has_one_attached :serialized
diff --git a/spec/controllers/api/v2/graphql_controller_spec.rb b/spec/controllers/api/v2/graphql_controller_spec.rb
index feaf61eb2..02aa269b5 100644
--- a/spec/controllers/api/v2/graphql_controller_spec.rb
+++ b/spec/controllers/api/v2/graphql_controller_spec.rb
@@ -885,6 +885,48 @@ describe API::V2::GraphqlController do
           end
         end
       end
+
+      describe 'dossierArchiver' do
+        let(:query) do
+          "mutation {
+            dossierArchiver(input: {
+              dossierId: \"#{dossier.to_typed_id}\",
+              instructeurId: \"#{instructeur.to_typed_id}\"
+            }) {
+              dossier {
+                archived
+              }
+              errors {
+                message
+              }
+            }
+          }"
+        end
+
+        it "validation error" do
+          expect(gql_errors).to eq(nil)
+
+          expect(gql_data).to eq(dossierArchiver: {
+            dossier: nil,
+            errors: [{ message: "Un dossier ne peut être archivé qu’une fois le traitement terminé" }]
+          })
+        end
+
+        context "should archive dossier" do
+          let(:dossier) { create(:dossier, :sans_suite, :with_individual, procedure: procedure) }
+
+          it "change made" do
+            expect(gql_errors).to eq(nil)
+
+            expect(gql_data).to eq(dossierArchiver: {
+              dossier: {
+                archived: true
+              },
+              errors: nil
+            })
+          end
+        end
+      end
     end
   end