diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e489312..2f71be0 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -30,6 +30,8 @@ jobs:
                 include:
                     - php-version: '8.1'
                       dependency-versions: 'lowest'
+                    - php-version: '8.1'
+                      dependency-versions: 'highest'
                     - php-version: '8.2'
                       dependency-versions: 'highest'
                     - php-version: '8.3'
diff --git a/composer.json b/composer.json
index 0c2a11b..c60bbba 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     ],
     "require": {
         "php": "^8.1",
-        "rector/rector": "^0.19"
+        "rector/rector": "^1.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.6",