diff --git a/avisstage/documents.py b/avisstage/documents.py
index b2fcf50..6bf946d 100644
--- a/avisstage/documents.py
+++ b/avisstage/documents.py
@@ -1,4 +1,4 @@
-from django_elasticsearch_dsl import DocType, Index, fields
+from django_elasticsearch_dsl import Document, Index, fields
 from elasticsearch_dsl import analyzer, token_filter, tokenizer
 
 from .models import Stage, AvisStage, AvisLieu
@@ -21,19 +21,19 @@ text_analyzer = analyzer(
 stage.analyzer(text_analyzer)
 
 @stage.doc_type
-class StageDocument(DocType):
+class StageDocument(Document):
     lieux = fields.ObjectField(properties={
-        'nom': fields.StringField(),
-        'ville': fields.StringField(),
-        'pays': fields.StringField(),
+        'nom': fields.TextField(),
+        'ville': fields.TextField(),
+        'pays': fields.TextField(),
     })
     auteur = fields.ObjectField(properties={
-        'nom': fields.StringField(),
+        'nom': fields.TextField(),
     })
-    thematiques = fields.StringField()
-    matieres = fields.StringField()
+    thematiques = fields.TextField()
+    matieres = fields.TextField()
     
-    class Meta:
+    class Django:
         model = Stage
         fields = [
             'sujet',