diff --git a/halfapi/lib/responses.py b/halfapi/lib/responses.py
index 679d446..8652bac 100644
--- a/halfapi/lib/responses.py
+++ b/halfapi/lib/responses.py
@@ -7,28 +7,13 @@ from io import TextIOBase, StringIO
 # asgi framework
 from starlette.responses import PlainTextResponse, Response
 
-__all__ = ['CSVResponse',
+__all__ = [
     'InternalServerErrorResponse',
     'NotFoundResponse',
     'NotImplementedResponse',
     'PlainTextResponse',
     'UnauthorizedResponse']
 
-class CSVResponse(Response):
-    def __init__(self, obj):
-        
-        with StringIO() as csv_file:
-            csv_obj = csv.writer(csv_file, dialect="excel")
-            csv_obj.writerows([elt.values() for elt in obj])
-            filename = f'Personnels_LIRMM-{date.today()}.csv'
-
-            super().__init__(
-                content=csv_file.getvalue(),
-                headers={ 
-                    'Content-Type': 'text/csv; charset=UTF-8',
-                    'Content-Disposition': f'attachment; filename="{filename}"'},
-                status_code = 200)
-
 
 class InternalServerErrorResponse(Response):
     """ The 500 Internal Server Error default Response  
diff --git a/pyproject.toml b/pyproject.toml
index 4498e08..096399f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ fastapi = { version = "^0", optional = true }
 organigramme = { git = "git@gite.lirmm.fr:newsi/api/organigramme.git", optional = true }
 sidb = { git = "git@gite.lirmm.fr:newsi/sidb_halfORM.git", optional = true }
 python-dotenv = "^0.14.0"
+pyexcel-ods3 = { version = "^0.5.3", optional = true }
 
 [tool.poetry.dev-dependencies]
 pytest = "^5"
@@ -24,7 +25,7 @@ requests = "^2"
 pytest-env = "^0.6.2"
 
 [tool.poetry.extras]
-organigramme = [ "fastapi", "organigramme", "sidb" ]
+organigramme = [ "fastapi", "organigramme", "sidb", "pyexcel-ods3" ]
 
 [tool.poetry.scripts]
 halfapi = 'halfapi.cli:cli'