diff --git a/.github/workflows/compat_tests.yaml.yml b/.github/workflows/compat_tests.yaml.yml
index 59a4ff2..832bbf8 100644
--- a/.github/workflows/compat_tests.yaml.yml
+++ b/.github/workflows/compat_tests.yaml.yml
@@ -13,8 +13,8 @@ jobs:
             matrix:
                 actions:
                     -
-                        name: 'Rector dev + PHPUnit 10'
-                        run: composer require "phpunit/phpunit:10.*" "nikic/php-parser:4.*" -W
+                        name: 'Rector dev + PHPUnit 8'
+                        run: composer require "phpunit/phpunit:8.*" "nikic/php-parser:4.10.0" -W
                         php: 8.2
                     -
                         name: 'Rector dev + PHPUnit 11'
diff --git a/README.md b/README.md
index db80ae6..04c5d98 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Todo
 
 * [x] add simple custom rule test
-* [x] run with PHPUnit 10, 11, 12
+* [x] run with PHPUnit 8, 11, 12
 * [x] add PHPStan custom test too
 * everything should pass
 * add this to `rectorphp/rector-src` CI to verify everything works well :)
diff --git a/tests/UsePHPParser4Test.php b/tests/UsePHPParser4Test.php
index 52a230b..862c9d5 100644
--- a/tests/UsePHPParser4Test.php
+++ b/tests/UsePHPParser4Test.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\RectorCompatTests\Tests\Rector\MakeClassFinalRector;
+namespace Rector\RectorCompatTests\Tests;
 
 use PHPUnit\Framework\TestCase;
 use PHPUnit\Runner\Version;
@@ -10,7 +10,7 @@ final class UsePHPParser4Test extends TestCase
     public function test(): void
     {
         if ((int) Version::id() >= 11) {
-            $this->markTestSkipped('Only for PHPUnit 11+');
+            $this->markTestSkipped('Only for PHPUnit < 11');
         }
 
         // this uses nikic/php-parser v4 parser