diff --git a/app/utils/ember-versions.js b/app/utils/ember-versions.js
index 271faa8..812818d 100644
--- a/app/utils/ember-versions.js
+++ b/app/utils/ember-versions.js
@@ -103,4 +103,5 @@ export const VERSIONS = Object.freeze([
   '5.5',
   '5.6',
   '5.7',
+  '5.8',
 ]);
diff --git a/source/ember-cli-changes/5.8.md b/source/ember-cli-changes/5.8.md
new file mode 100644
index 0000000..cb2ee01
--- /dev/null
+++ b/source/ember-cli-changes/5.8.md
@@ -0,0 +1,7 @@
+---
+version: '5.8'
+changes:
+  - feature: true
+    title: 'Use `content-tag` to parse `.gts` files in blueprints rather than `ember-template-tag`.'
+    link: 'https://blog.emberjs.com/ember-released-5-8'
+---
diff --git a/source/ember-js-changes/5.8.md b/source/ember-js-changes/5.8.md
new file mode 100644
index 0000000..8be3e41
--- /dev/null
+++ b/source/ember-js-changes/5.8.md
@@ -0,0 +1,4 @@
+---
+version: '5.8'
+changes:
+---
diff --git a/tests/acceptance/changes-test.js b/tests/acceptance/changes-test.js
index 985d09c..849d821 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,
-      70,
-      'We see 70 new features that occurred in Ember CLI since version 3.15'
+      71,
+      'We see 71 new features that occurred in Ember CLI since version 3.15'
     );
 
     // Check deprecations in Ember CLI