diff --git a/CHANGES.rst b/CHANGES.rst
index 6987088..2440814 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,10 @@
+2.1.0 - 2024-11-20
+==================
+
+- Require Python 3.11 or later.
+- Switch to ``ruff`` for formatting.
+
+
 2.0.0 - 2023-10-28
 ==================
 
diff --git a/prometheus_aioexporter/__init__.py b/prometheus_aioexporter/__init__.py
index 8c19340..b4ed2f0 100644
--- a/prometheus_aioexporter/__init__.py
+++ b/prometheus_aioexporter/__init__.py
@@ -15,4 +15,4 @@
     "__version__",
 ]
 
-__version__ = "2.0.0"
+__version__ = "2.1.0"