diff --git a/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector/Fixture/skip_has_parent_method.php.inc b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector/Fixture/skip_has_parent_method.php.inc
new file mode 100644
index 00000000000..440c7b5d479
--- /dev/null
+++ b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector/Fixture/skip_has_parent_method.php.inc
@@ -0,0 +1,18 @@
+<?php
+
+namespace Rector\Tests\TypeDeclaration\Rector\ClassMethod\AddParamFromDimFetchKeyUseRector\Fixture;
+
+use Rector\Tests\TypeDeclaration\Rector\ClassMethod\AddParamFromDimFetchKeyUseRector\Source\SomeParentMethod;
+
+final class SkipHasParentMethod extends SomeParentMethod
+{
+    public function process($key)
+    {
+        $items = [
+            'first' => 'Firstitem',
+            'second' => 'Seconditem',
+        ];
+
+        return $items[$key];
+    }
+}
diff --git a/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector/Source/SomeParentMethod.php b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector/Source/SomeParentMethod.php
new file mode 100644
index 00000000000..a611d6df148
--- /dev/null
+++ b/rules-tests/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector/Source/SomeParentMethod.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\TypeDeclaration\Rector\ClassMethod\AddParamFromDimFetchKeyUseRector\Source;
+
+class SomeParentMethod
+{
+    public function process($key)
+    {
+    }
+}
diff --git a/rules/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector.php b/rules/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector.php
index ee74dc5ae60..f5890898da5 100644
--- a/rules/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector.php
+++ b/rules/TypeDeclaration/Rector/ClassMethod/AddParamFromDimFetchKeyUseRector.php
@@ -12,6 +12,7 @@
 use Rector\Rector\AbstractRector;
 use Rector\StaticTypeMapper\StaticTypeMapper;
 use Rector\TypeDeclarationDocblocks\NodeFinder\ArrayDimFetchFinder;
+use Rector\VendorLocker\ParentClassMethodTypeOverrideGuard;
 use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
 use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
 
@@ -22,7 +23,8 @@ final class AddParamFromDimFetchKeyUseRector extends AbstractRector
 {
     public function __construct(
         private readonly ArrayDimFetchFinder $arrayDimFetchFinder,
-        private readonly StaticTypeMapper $staticTypeMapper
+        private readonly StaticTypeMapper $staticTypeMapper,
+        private readonly ParentClassMethodTypeOverrideGuard $parentClassMethodTypeOverrideGuard
     ) {
     }
 
@@ -87,6 +89,10 @@ public function refactor(Node $node): ?Node
                 continue;
             }
 
+            if ($this->parentClassMethodTypeOverrideGuard->hasParentClassMethod($classMethod)) {
+                continue;
+            }
+
             foreach ($classMethod->getParams() as $param) {
                 if ($param->type instanceof Node) {
                     continue;