diff --git a/.release-plan.json b/.release-plan.json
new file mode 100644
index 000000000..d196847f1
--- /dev/null
+++ b/.release-plan.json
@@ -0,0 +1,25 @@
+{
+  "solution": {
+    "ember-keyboard": {
+      "impact": "major",
+      "oldVersion": "8.2.1",
+      "newVersion": "9.0.0",
+      "constraints": [
+        {
+          "impact": "major",
+          "reason": "Appears in changelog section :boom: Breaking Change"
+        },
+        {
+          "impact": "minor",
+          "reason": "Appears in changelog section :rocket: Enhancement"
+        },
+        {
+          "impact": "patch",
+          "reason": "Appears in changelog section :house: Internal"
+        }
+      ],
+      "pkgJSONPath": "./addon/package.json"
+    }
+  },
+  "description": "## Release (2024-08-22)\n\nember-keyboard 9.0.0 (major)\n\n#### :boom: Breaking Change\n* `ember-keyboard`, `test-app`\n  * [#770](https://github.com/adopted-ember-addons/ember-keyboard/pull/770) Drops support for ember < 3.28 ([@leoeuclids](https://github.com/leoeuclids))\n\n#### :rocket: Enhancement\n* `ember-keyboard`\n  * [#780](https://github.com/adopted-ember-addons/ember-keyboard/pull/780) Widen peer range for peer, @ember/test-helpers ([@NullVoxPopuli](https://github.com/NullVoxPopuli))\n* `ember-keyboard`, `test-app`\n  * [#755](https://github.com/adopted-ember-addons/ember-keyboard/pull/755) Feature: Plus sign support ([@leoeuclids](https://github.com/leoeuclids))\n\n#### :house: Internal\n* Other\n  * [#773](https://github.com/adopted-ember-addons/ember-keyboard/pull/773) Migrate to pnpm part 2 ([@SergeAstapov](https://github.com/SergeAstapov))\n  * [#771](https://github.com/adopted-ember-addons/ember-keyboard/pull/771) Setup release plan ([@NullVoxPopuli](https://github.com/NullVoxPopuli))\n  * [#758](https://github.com/adopted-ember-addons/ember-keyboard/pull/758) Bump @babel/traverse from 7.17.0 to 7.23.2 ([@dependabot[bot]](https://github.com/apps/dependabot))\n* `ember-keyboard`, `docs`, `test-app`\n  * [#772](https://github.com/adopted-ember-addons/ember-keyboard/pull/772) Migrate to pnpm ([@leoeuclids](https://github.com/leoeuclids))\n\n#### Committers: 3\n- Leo Euclides ([@leoeuclids](https://github.com/leoeuclids))\n- Sergey Astapov ([@SergeAstapov](https://github.com/SergeAstapov))\n- [@NullVoxPopuli](https://github.com/NullVoxPopuli)\n"
+}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 590b303e1..381680387 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,32 @@
 # Changelog
 
+## Release (2024-08-22)
+
+ember-keyboard 9.0.0 (major)
+
+#### :boom: Breaking Change
+* `ember-keyboard`, `test-app`
+  * [#770](https://github.com/adopted-ember-addons/ember-keyboard/pull/770) Drops support for ember < 3.28 ([@leoeuclids](https://github.com/leoeuclids))
+
+#### :rocket: Enhancement
+* `ember-keyboard`
+  * [#780](https://github.com/adopted-ember-addons/ember-keyboard/pull/780) Widen peer range for peer, @ember/test-helpers ([@NullVoxPopuli](https://github.com/NullVoxPopuli))
+* `ember-keyboard`, `test-app`
+  * [#755](https://github.com/adopted-ember-addons/ember-keyboard/pull/755) Feature: Plus sign support ([@leoeuclids](https://github.com/leoeuclids))
+
+#### :house: Internal
+* Other
+  * [#773](https://github.com/adopted-ember-addons/ember-keyboard/pull/773) Migrate to pnpm part 2 ([@SergeAstapov](https://github.com/SergeAstapov))
+  * [#771](https://github.com/adopted-ember-addons/ember-keyboard/pull/771) Setup release plan ([@NullVoxPopuli](https://github.com/NullVoxPopuli))
+  * [#758](https://github.com/adopted-ember-addons/ember-keyboard/pull/758) Bump @babel/traverse from 7.17.0 to 7.23.2 ([@dependabot[bot]](https://github.com/apps/dependabot))
+* `ember-keyboard`, `docs`, `test-app`
+  * [#772](https://github.com/adopted-ember-addons/ember-keyboard/pull/772) Migrate to pnpm ([@leoeuclids](https://github.com/leoeuclids))
+
+#### Committers: 3
+- Leo Euclides ([@leoeuclids](https://github.com/leoeuclids))
+- Sergey Astapov ([@SergeAstapov](https://github.com/SergeAstapov))
+- [@NullVoxPopuli](https://github.com/NullVoxPopuli)
+
 
 
 
diff --git a/addon/package.json b/addon/package.json
index f479bdb7b..f091e37b8 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-keyboard",
-  "version": "8.2.1",
+  "version": "9.0.0",
   "description": "An Ember.js addon for the painless support of keyboard events",
   "keywords": [
     "ember-addon"
diff --git a/stderr.log b/stderr.log
new file mode 100644
index 000000000..1999b81df
--- /dev/null
+++ b/stderr.log
@@ -0,0 +1,4 @@
+Warning: unknown package "test-app"
+Warning: unknown package "test-app"
+Warning: unknown package "docs"
+Warning: unknown package "test-app"