diff --git a/app/graphql/schema.graphql b/app/graphql/schema.graphql
index a4820a002..827e3ac83 100644
--- a/app/graphql/schema.graphql
+++ b/app/graphql/schema.graphql
@@ -374,7 +374,7 @@ type Demarche {
   """
   Date de la publication.
   """
-  datePublication: ISO8601DateTime!
+  datePublication: ISO8601DateTime
 
   """
   L’état de dossier pour une démarche déclarative
@@ -1589,6 +1589,11 @@ type Revision {
   Date de la création.
   """
   dateCreation: ISO8601DateTime!
+
+  """
+  Date de la publication.
+  """
+  datePublication: ISO8601DateTime
   id: ID!
 }
 
diff --git a/app/graphql/types/demarche_type.rb b/app/graphql/types/demarche_type.rb
index 9cf7b8e98..42aae2d43 100644
--- a/app/graphql/types/demarche_type.rb
+++ b/app/graphql/types/demarche_type.rb
@@ -24,7 +24,7 @@ module Types
     field :declarative, DossierDeclarativeState, "L’état de dossier pour une démarche déclarative", null: true, method: :declarative_with_state
 
     field :date_creation, GraphQL::Types::ISO8601DateTime, "Date de la création.", null: false, method: :created_at
-    field :date_publication, GraphQL::Types::ISO8601DateTime, "Date de la publication.", null: false, method: :published_at
+    field :date_publication, GraphQL::Types::ISO8601DateTime, "Date de la publication.", null: true, method: :published_at
     field :date_derniere_modification, GraphQL::Types::ISO8601DateTime, "Date de la dernière modification.", null: false, method: :updated_at
     field :date_depublication, GraphQL::Types::ISO8601DateTime, "Date de la dépublication.", null: true, method: :unpublished_at
     field :date_fermeture, GraphQL::Types::ISO8601DateTime, "Date de la fermeture.", null: true, method: :closed_at
diff --git a/app/graphql/types/revision_type.rb b/app/graphql/types/revision_type.rb
index 3f1ef0847..372dbebb2 100644
--- a/app/graphql/types/revision_type.rb
+++ b/app/graphql/types/revision_type.rb
@@ -2,6 +2,7 @@ module Types
   class RevisionType < Types::BaseObject
     global_id_field :id
     field :date_creation, GraphQL::Types::ISO8601DateTime, "Date de la création.", null: false, method: :created_at
+    field :date_publication, GraphQL::Types::ISO8601DateTime, "Date de la publication.", null: true, method: :published_at
 
     field :champ_descriptors, [Types::ChampDescriptorType], null: false
     field :annotation_descriptors, [Types::ChampDescriptorType], null: false