diff --git a/base_rest/__init__.py b/base_rest/__init__.py
index d82e618a8..5947223b8 100644
--- a/base_rest/__init__.py
+++ b/base_rest/__init__.py
@@ -2,3 +2,9 @@
 from . import models
 from . import components
 from . import http
+
+logging.getLogger(__file__).warning(
+    "base_rest is deprecated and not fully supported anymore on Odoo 16. "
+    "Please migrate to the FastAPI migration module. "
+    "See https://github.com/OCA/rest-framework/pull/291.",
+)
diff --git a/base_rest/__manifest__.py b/base_rest/__manifest__.py
index e612d7961..f29fe6ef1 100644
--- a/base_rest/__manifest__.py
+++ b/base_rest/__manifest__.py
@@ -10,7 +10,7 @@
     "development_status": "Beta",
     "license": "LGPL-3",
     "author": "ACSONE SA/NV, " "Odoo Community Association (OCA)",
-    "maintainers": ["lmignon"],
+    "maintainers": [],
     "website": "https://github.com/OCA/rest-framework",
     "depends": ["component", "web"],
     "data": [
diff --git a/base_rest/readme/DESCRIPTION.rst b/base_rest/readme/DESCRIPTION.rst
index 96f88c974..28c8759fb 100644
--- a/base_rest/readme/DESCRIPTION.rst
+++ b/base_rest/readme/DESCRIPTION.rst
@@ -1,3 +1,7 @@
+This addon is deprecated and not fully supported anymore on Odoo 16.
+Please migrate to the FastAPI migration module.
+See https://github.com/OCA/rest-framework/pull/291.
+
 This addon provides the basis to develop high level REST APIs for Odoo.
 
 As Odoo becomes one of the central pieces of enterprise IT systems, it often