diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 77766f62b..3afc3253d 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -56,13 +56,13 @@ jobs:
                     - php-version: '8.2'
                       dependencies: highest
                       allowed-to-fail: false
-                      symfony-require: 6.2.*
-                      variant: symfony/symfony:"6.2.*"
+                      symfony-require: 6.3.*
+                      variant: symfony/symfony:"6.3.*"
                     - php-version: '8.2'
                       dependencies: highest
                       allowed-to-fail: false
-                      symfony-require: 6.3.*
-                      variant: symfony/symfony:"6.3.*"
+                      symfony-require: 6.4.*
+                      variant: symfony/symfony:"6.4.*"
 
         steps:
             - name: Checkout
diff --git a/rector.php b/rector.php
index dd4380e38..2456d3ec5 100644
--- a/rector.php
+++ b/rector.php
@@ -19,7 +19,6 @@
 
 use Rector\Config\RectorConfig;
 use Rector\Php70\Rector\FunctionLike\ExceptionHandlerTypehintRector;
-use Rector\Php71\Rector\FuncCall\CountOnNullRector;
 use Rector\PHPUnit\CodeQuality\Rector\Class_\AddSeeTestAnnotationRector;
 use Rector\PHPUnit\CodeQuality\Rector\Class_\PreferPHPUnitThisCallRector;
 use Rector\PHPUnit\Set\PHPUnitLevelSetList;
@@ -41,7 +40,6 @@
     $rectorConfig->importNames();
     $rectorConfig->importShortClasses(false);
     $rectorConfig->skip([
-        CountOnNullRector::class,
         ExceptionHandlerTypehintRector::class,
         AddSeeTestAnnotationRector::class,
         PreferPHPUnitThisCallRector::class,