diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d9a0cd3..48fcbc5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## v0.21.1 - 2022-11-21
+
+This is a backport of changes introduced in `v0.22.0`.
+
+### Features
+- `Process`: Add the `is_excepted` property [[#240]](https://github.com/aiidateam/plumpy/pull/240)
+
+### Bug fixes
+- `StateMachine`: transition directly to excepted if transition failed [[#240]](https://github.com/aiidateam/plumpy/pull/240)
+- `Process`: Fix incorrect overriding of `transition_failed` [[#240]](https://github.com/aiidateam/plumpy/pull/240)
+
 
 ## v0.21.0 - 2022-04-08
 
diff --git a/src/plumpy/__init__.py b/src/plumpy/__init__.py
index 6015a744..a0251af9 100644
--- a/src/plumpy/__init__.py
+++ b/src/plumpy/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # pylint: disable=undefined-variable
 # type: ignore[name-defined]
-__version__ = '0.21.0'
+__version__ = '0.21.1'
 
 import logging