diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index d9d0c7d0..f3cb932f 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -36,6 +36,7 @@
     '@Symfony:risky' => true,
     'combine_consecutive_issets' => true,
     'combine_consecutive_unsets' => true,
+    'declare_strict_types' => true,
     'global_namespace_import' => ['import_classes' => false, 'import_constants' => false, 'import_functions' => false],
     'header_comment' => ['header' => $header],
     'list_syntax' => ['syntax' => 'short'],
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 608d0c5b..bcee5215 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,6 +2,6 @@
 #
 # It's auto-generated by sonata-project/dev-kit package.
 
-Pygments==2.15.1
+Pygments==2.20.0
 sphinx==6.2.1
 sphinx_rtd_theme==1.2.0
diff --git a/rector.php b/rector.php
index 3f21a4ed..3103926f 100644
--- a/rector.php
+++ b/rector.php
@@ -23,6 +23,7 @@
 use Rector\Php81\Rector\Property\ReadOnlyPropertyRector;
 use Rector\PHPUnit\CodeQuality\Rector\Class_\NarrowUnusedSetUpDefinedPropertyRector;
 use Rector\PHPUnit\CodeQuality\Rector\Class_\PreferPHPUnitThisCallRector;
+use Rector\PHPUnit\CodeQuality\Rector\Class_\RemoveNeverUsedMockPropertyRector;
 use Rector\PHPUnit\Set\PHPUnitSetList;
 use Rector\Set\ValueObject\LevelSetList;
 
@@ -46,5 +47,6 @@
         NullToStrictStringFuncCallArgRector::class,
         PreferPHPUnitThisCallRector::class,
         NarrowUnusedSetUpDefinedPropertyRector::class,
+        RemoveNeverUsedMockPropertyRector::class,
     ]);
 };