diff --git a/CHANGELOG.md b/CHANGELOG.md
index 104d87c0..27efcd58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## v0.21.11 - 2024-07-01
+
+### Fixes
+- Make `Waiting.resume()` idempotent [[a79497b]](https://github.com/aiidateam/plumpy/commit/a79497ba37cef7bc609cee90535ad86708fc48f9)
+
+### Dependencies
+- Add requirement `nbdime<4` [[94df0df]](https://github.com/aiidateam/plumpy/commit/94df0dfd0a3ea93174aa4de83ac5e06246350c27)
+
+
 ## v0.21.10 - 2023-11-13
 
 ### Dependencies
diff --git a/src/plumpy/__init__.py b/src/plumpy/__init__.py
index 452e1835..30c6aae3 100644
--- a/src/plumpy/__init__.py
+++ b/src/plumpy/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # pylint: disable=undefined-variable
 # mypy: disable-error-code="name-defined"
-__version__ = '0.21.10'
+__version__ = '0.21.11'
 
 import logging