diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 8ec383c..f5a1a64 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -48,6 +48,9 @@ jobs:
     - name: Run PHPStan
       run: composer phpstan
 
+    - name: Run Rector
+      run: composer rector:check
+
     - name: Create env
       run: php qt core:env
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebd810f..d5bc677 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ The format is based on Keep a Changelog and this project adheres to Semantic Ver
 ### Changed
 - `shared/config/lang.php` uses the 3.1 Lang format: `default` adapter (`file`, `deepl` or `google_translate`), `default_locale` and a section per remote adapter.
 - `save_remote_image()` uses the fluent `httpRequest()` helper.
+- CI runs `composer rector:check` after PHPStan.
 
 ### Removed
 - The `Hook`, `Loader` and `libraries/` leftovers: the `hooks/` and `libraries/` folders, `shared/config/hooks.php` and the hooks and loader entries in the dependencies config.