diff --git a/README.md b/README.md
index 261e958c9..0b698f784 100644
--- a/README.md
+++ b/README.md
@@ -60,8 +60,8 @@ To learn how to use the ngx-charts components to build custom charts and find ex
 
 - Checkout master (`git checkout master`)
 - Pull master (`git pull`)
-- Refresh node modules (`npm ci`)
-- Run tests (`npm test`)
+- Refresh node modules (`yarn install --immutable`)
+- Run tests (`yarn test`)
 - Examine log to determine next version (X.Y.Z)
 - Run `git checkout -b release/X.Y.Z`
 - Update version in `projects/swimlane/ngx-charts/package.json`.
diff --git a/docs/changelog.md b/docs/changelog.md
index 2e18187e3..2ca7af3af 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 21.0.0
+
+- Bump: Upgrade to support Angular 18
+- Bump: Upgrade dependencies
+- Fix: In SSR mode, some charts could become misaligned
+
 ## 20.5.0
 
 - Feature: Add Sankey diagram chart type
diff --git a/projects/swimlane/ngx-charts/package.json b/projects/swimlane/ngx-charts/package.json
index 2eae08185..cba807698 100644
--- a/projects/swimlane/ngx-charts/package.json
+++ b/projects/swimlane/ngx-charts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@swimlane/ngx-charts",
-  "version": "21.0.0-beta.0",
+  "version": "21.0.0",
   "description": "Declarative Charting Framework for Angular",
   "repository": {
     "type": "git",