diff --git a/app/graphql/api/v2/stored_query.rb b/app/graphql/api/v2/stored_query.rb
index e04896f81..e2b5c78c0 100644
--- a/app/graphql/api/v2/stored_query.rb
+++ b/app/graphql/api/v2/stored_query.rb
@@ -281,6 +281,8 @@ class API::V2::StoredQuery
     dateExpiration
     dateSuppressionParUsager
     dateDerniereCorrectionEnAttente @include(if: $includeCorrections)
+    dateDerniereModificationChamps
+    dateDerniereModificationAnnotations
     motivation
     motivationAttachment {
       ...FileFragment
diff --git a/app/graphql/schema.graphql b/app/graphql/schema.graphql
index ae37dadee..52d58d1ad 100644
--- a/app/graphql/schema.graphql
+++ b/app/graphql/schema.graphql
@@ -1418,6 +1418,16 @@ type Dossier {
   """
   dateDerniereModification: ISO8601DateTime!
 
+  """
+  Date de la dernière modification des annotations.
+  """
+  dateDerniereModificationAnnotations: ISO8601DateTime!
+
+  """
+  Date de la dernière modification des champs.
+  """
+  dateDerniereModificationChamps: ISO8601DateTime!
+
   """
   Date d’expiration.
   """
diff --git a/app/graphql/types/dossier_type.rb b/app/graphql/types/dossier_type.rb
index 2aca07737..783b0e332 100644
--- a/app/graphql/types/dossier_type.rb
+++ b/app/graphql/types/dossier_type.rb
@@ -26,6 +26,9 @@ module Types
     field :date_traitement, GraphQL::Types::ISO8601DateTime, "Date du dernier traitement.", null: true, method: :processed_at
     field :date_derniere_modification, GraphQL::Types::ISO8601DateTime, "Date de la dernière modification.", null: false, method: :updated_at
 
+    field :date_derniere_modification_champs, GraphQL::Types::ISO8601DateTime, "Date de la dernière modification des champs.", null: false
+    field :date_derniere_modification_annotations, GraphQL::Types::ISO8601DateTime, "Date de la dernière modification des annotations.", null: false
+
     field :date_suppression_par_usager, GraphQL::Types::ISO8601DateTime, "Date de la suppression par l’usager.", null: true, method: :hidden_by_user_at
     field :date_suppression_par_administration, GraphQL::Types::ISO8601DateTime, "Date de la suppression par l’administration.", null: true, method: :hidden_by_administration_at
     field :date_expiration, GraphQL::Types::ISO8601DateTime, "Date d’expiration.", null: true
@@ -89,6 +92,14 @@ module Types
       Loaders::Association.for(object.class, :pending_correction).load(object).then { _1&.created_at }
     end
 
+    def date_derniere_modification_champs
+      object.last_champ_updated_at || object.created_at
+    end
+
+    def date_derniere_modification_annotations
+      object.last_champ_private_updated_at || object.created_at
+    end
+
     def connection_usager
       if object.user_deleted?
         :deleted