diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0a64c3..362a5bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [2.1.0] - 2022-10-21
 ### Added
 - add dependabot for GitHub Action dependency
 - add upgrade-status check
@@ -43,7 +45,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - First draft.
 
-[Unreleased]: https://github.com/antistatique/drupal-ckeditor-nbsp/compare/8.x-2.0-alpha1...HEAD
+[Unreleased]: https://github.com/antistatique/drupal-ckeditor-nbsp/compare/8.x-2.1...HEAD
+[2.1.0]: https://github.com/antistatique/drupal-ckeditor-nbsp/compare/8.x-2.0-alpha1...8.x-2.1
 [2.0.0-alpha1]: https://github.com/antistatique/drupal-ckeditor-nbsp/compare/8.x-1.2...8.x-2.0-alpha1
 [1.2.0]: https://github.com/antistatique/drupal-ckeditor-nbsp/compare/8.x-1.1...8.x-1.2
 [1.1.0]: https://github.com/antistatique/drupal-ckeditor-nbsp/compare/8.x-1.0...8.x-1.1
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 3c97864..6ee38fe 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -28,7 +28,7 @@ globally on your environment:
 
 Once run, you will be able to access to your fresh installed Drupal on `localhost::8888`.
 
-    docker-compose build --pull --build-arg BASE_IMAGE_TAG=8.9 drupal
+    docker-compose build --pull --build-arg BASE_IMAGE_TAG=9.0 drupal
     (get a coffee, this will take some time...)
     docker-compose up -d drupal chrome
     docker-compose exec -u www-data drupal drush site-install standard --db-url="mysql://drupal:drupal@db/drupal" -y
diff --git a/README.md b/README.md
index ffba11c..6627333 100644
--- a/README.md
+++ b/README.md
@@ -44,11 +44,12 @@ The version `8.x-3.x` is not compatible with Drupal `8.x` and will only support
 
 ## Which version should I use?
 
-|Drupal Core|    NBSP   |
-|:---------:|:---------:|
-|8.7.x      |    1.x    |
-|8.8.x      |    2.x    |
-|9.x        | 2.x - 3.x |
+| Drupal Core |     NBSP     |
+|:-----------:|:------------:|
+|    8.7.x    |     1.x      |
+|    8.8.x    | 2.0.0-alpha1 |
+|    8.8.x    | 2.0.0-alpha1 |
+|     9.x     |    2.x       |
 
 ## Dependencies