diff --git a/CHANGES.rst b/CHANGES.rst
index bd32a9f..4a88879 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -9,6 +9,12 @@
 Changes
 =======
 
+Version v3.1.0 (released 2024-12-16)
+
+- percolator: use `OAISERVER_RECORD_INDEX` to determine percolator index
+    * Instead of relying on the default `RecordIndexer` class to determine
+      the percolator index, we reuse the `OAISERVER_RECORD_INDEX` config variable.
+
 Version 3.0.0 (release 2024-12-06)
 
 - fix: tests, apply invenio-indexer change
diff --git a/invenio_oaiserver/__init__.py b/invenio_oaiserver/__init__.py
index 50a9532..1827ffc 100644
--- a/invenio_oaiserver/__init__.py
+++ b/invenio_oaiserver/__init__.py
@@ -186,6 +186,6 @@
 from .ext import InvenioOAIServer
 from .proxies import current_oaiserver
 
-__version__ = "3.0.0"
+__version__ = "3.1.0"
 
 __all__ = ("__version__", "InvenioOAIServer", "current_oaiserver")
diff --git a/tests/conftest.py b/tests/conftest.py
index 43ceda6..0c280a3 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # This file is part of Invenio.
-# Copyright (C) 2015-2018 CERN.
+# Copyright (C) 2015-2024 CERN.
 # Copyright (C) 2024 Graz University of Technology.
 #
 # Invenio is free software; you can redistribute it and/or modify it