diff --git a/CHANGELOG.md b/CHANGELOG.md
index f3f11f94d9..4cd39cb889 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v2.2.1 - 2022-12-22
+
+### Fixes
+- Critical bug fix: Revert the changes of PR [#5804](https://github.com/aiidateam/aiida-core/pull/5804) released with v2.2.0, which addressed a bug when mutating nodes during `QueryBuilder.iterall`. Unfortunately, the change caused changes performed by `verdi` commands (as well as changes made in `verdi shell`) to not be persisted to the database. [[#5851]](https://github.com/aiidateam/aiida-core/pull/5851)
+
+
 ## v2.2.0 - 2022-12-13
 
 This feature release comes with a significant feature and a number of improvements and fixes.
diff --git a/aiida/__init__.py b/aiida/__init__.py
index 8383ec5c8f..87b214f73a 100644
--- a/aiida/__init__.py
+++ b/aiida/__init__.py
@@ -28,7 +28,7 @@
     'For further information please visit http://www.aiida.net/. All rights reserved.'
 )
 __license__ = 'MIT license, see LICENSE.txt file.'
-__version__ = '2.2.0'
+__version__ = '2.2.1'
 __authors__ = 'The AiiDA team.'
 __paper__ = (
     'S. P. Huber et al., "AiiDA 1.0, a scalable computational infrastructure for automated reproducible workflows and '