diff --git a/app/utils/ember-versions.js b/app/utils/ember-versions.js
index 2928ce5..72b1e7d 100644
--- a/app/utils/ember-versions.js
+++ b/app/utils/ember-versions.js
@@ -101,4 +101,5 @@ export const VERSIONS = Object.freeze([
   '5.3',
   '5.4',
   '5.5',
+  '5.6',
 ]);
diff --git a/source/ember-cli-changes/5.6.md b/source/ember-cli-changes/5.6.md
new file mode 100644
index 0000000..440269e
--- /dev/null
+++ b/source/ember-cli-changes/5.6.md
@@ -0,0 +1,10 @@
+---
+version: '5.6'
+changes:
+  - feature: true
+    title: '`ember serve` will now automatically choose a port (starting with 4200), unless a port is explicitly set with the `--port flag` or the `$PORT` env variable.'
+    link: 'https://blog.emberjs.com/ember-released-5-6'
+  - feature: true
+    title: 'Adds a workflow to deploy api docs to ember-learn/ember-cli.github.io and the website.'
+    link: 'https://blog.emberjs.com/ember-released-5-6'
+---
diff --git a/tests/acceptance/changes-test.js b/tests/acceptance/changes-test.js
index 0cc505c..8a96f04 100644
--- a/tests/acceptance/changes-test.js
+++ b/tests/acceptance/changes-test.js
@@ -60,8 +60,8 @@ module('Acceptance | changes', function (hooks) {
 
     assert.strictEqual(
       newFeaturesInEmberCLI.length,
-      67,
-      'We see 67 new features that occurred in Ember CLI since version 3.15'
+      69,
+      'We see 69 new features that occurred in Ember CLI since version 3.15'
     );
 
     // Check deprecations in Ember CLI