diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab40a26d41..4557aa08c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,12 @@ You can find and compare releases at the [GitHub release page](https://github.co
 
 ## Unreleased
 
+## v6.5.0
+
+### Added
+
+- Add `Nuwave\Lighthouse\Schema\AST\ASTHelper::addDirectiveToNode()` to simplify dynamic addition of directives https://github.com/nuwave/lighthouse/pull/2369
+
 ## v6.4.0
 
 ### Added
diff --git a/src/Schema/AST/ASTHelper.php b/src/Schema/AST/ASTHelper.php
index 3adbee82c6..a49e5ce25b 100644
--- a/src/Schema/AST/ASTHelper.php
+++ b/src/Schema/AST/ASTHelper.php
@@ -29,7 +29,7 @@
 use GraphQL\Language\AST\UnionTypeExtensionNode;
 use GraphQL\Language\AST\ValueNode;
 use GraphQL\Language\Parser;
-use GraphQL\Type\Definition\Directive;
+use GraphQL\Type\Definition\Directive as DirectiveDefinition;
 use GraphQL\Type\Definition\EnumType;
 use GraphQL\Type\Definition\EnumValueDefinition;
 use GraphQL\Type\Definition\Type;
@@ -42,8 +42,7 @@
 use Nuwave\Lighthouse\Schema\Directives\BaseDirective;
 use Nuwave\Lighthouse\Schema\Directives\ModelDirective;
 use Nuwave\Lighthouse\Schema\Directives\NamespaceDirective;
-use Nuwave\Lighthouse\Support\Contracts\ArgManipulator;
-use Nuwave\Lighthouse\Support\Contracts\FieldManipulator;
+use Nuwave\Lighthouse\Support\Contracts\Directive as DirectiveInterface;
 
 class ASTHelper
 {
@@ -308,7 +307,7 @@ public static function qualifiedArgType(
     public static function deprecationReason(EnumValueDefinitionNode|FieldDefinitionNode $node): ?string
     {
         $deprecated = Values::getDirectiveValues(
-            Directive::deprecatedDirective(),
+            DirectiveDefinition::deprecatedDirective(),
             $node,
         );
 
@@ -392,11 +391,9 @@ public static function internalFieldName(FieldDefinitionNode $field): string
     }
 
     /**
-     * Adds a directive to a node.
-     *
-     * @api
+     * Adds a directive to a node, instantiates and maybe hydrates it and returns the instance.
      */
-    public static function addDirectiveToNode(string $directiveSource, ScalarTypeDefinitionNode|ScalarTypeExtensionNode|ObjectTypeDefinitionNode|ObjectTypeExtensionNode|InterfaceTypeDefinitionNode|InterfaceTypeExtensionNode|UnionTypeDefinitionNode|UnionTypeExtensionNode|EnumTypeDefinitionNode|EnumTypeExtensionNode|InputObjectTypeDefinitionNode|InputObjectTypeExtensionNode|FieldDefinitionNode|InputValueDefinitionNode|EnumValueDefinitionNode $node): \Nuwave\Lighthouse\Support\Contracts\Directive
+    public static function addDirectiveToNode(string $directiveSource, ScalarTypeDefinitionNode|ScalarTypeExtensionNode|ObjectTypeDefinitionNode|ObjectTypeExtensionNode|InterfaceTypeDefinitionNode|InterfaceTypeExtensionNode|UnionTypeDefinitionNode|UnionTypeExtensionNode|EnumTypeDefinitionNode|EnumTypeExtensionNode|InputObjectTypeDefinitionNode|InputObjectTypeExtensionNode|FieldDefinitionNode|InputValueDefinitionNode|EnumValueDefinitionNode $node): DirectiveInterface
     {
         $directiveNode = Parser::directive($directiveSource);
         $node->directives[] = $directiveNode;
diff --git a/tests/Unit/Schema/AST/ASTHelperTest.php b/tests/Unit/Schema/AST/ASTHelperTest.php
index f408870db4..a15a778253 100644
--- a/tests/Unit/Schema/AST/ASTHelperTest.php
+++ b/tests/Unit/Schema/AST/ASTHelperTest.php
@@ -19,7 +19,6 @@
 use Nuwave\Lighthouse\Schema\RootType;
 use Nuwave\Lighthouse\Support\Contracts\ArgManipulator;
 use Nuwave\Lighthouse\Support\Contracts\FieldManipulator;
-use Nuwave\Lighthouse\Support\Utils;
 use Tests\TestCase;
 
 final class ASTHelperTest extends TestCase
@@ -237,11 +236,11 @@ public function manipulateFieldDefinition(
                 DocumentAST &$documentAST,
                 FieldDefinitionNode &$fieldDefinition,
                 ObjectTypeDefinitionNode|InterfaceTypeDefinitionNode &$parentType,
-            ):void {
+            ): void {
                 $fieldDefinition->type = Parser::namedType('Int');
             }
         };
-    
+
         $directiveLocator = $this->app->make(DirectiveLocator::class);
         $directiveLocator->setResolved('foo', $directive::class);
 
@@ -255,16 +254,14 @@ public function manipulateFieldDefinition(
                 DocumentAST &$documentAST,
                 FieldDefinitionNode &$fieldDefinition,
                 ObjectTypeDefinitionNode|InterfaceTypeDefinitionNode &$parentType,
-            ):void {
+            ): void {
                 $directiveInstance = ASTHelper::addDirectiveToNode('@foo', $fieldDefinition);
-
                 assert($directiveInstance instanceof FieldManipulator);
-          
+
                 $directiveInstance->manipulateFieldDefinition($documentAST, $fieldDefinition, $parentType);
             }
         };
 
-        $directiveLocator = $this->app->make(DirectiveLocator::class);
         $directiveLocator->setResolved('dynamic', $dynamicDirective::class);
 
         $this->schema = /** @lang GraphQL */ '
@@ -283,13 +280,11 @@ public function manipulateFieldDefinition(
         $typeType = $fieldType->type;
         assert($typeType instanceof NamedTypeNode);
 
-        $this->assertEquals($typeType->name->value, 'Int');
+        $this->assertSame($typeType->name->value, 'Int');
     }
 
     public function testDynamicallyAddedArgManipulatorDirective(): void
     {
-        $astBuilder = $this->app->make(ASTBuilder::class);
-        
         $directive = new class() extends BaseDirective implements ArgManipulator {
             public static function definition(): string
             {
@@ -301,12 +296,11 @@ public function manipulateArgDefinition(
                 InputValueDefinitionNode &$argDefinition,
                 FieldDefinitionNode &$parentField,
                 ObjectTypeDefinitionNode|InterfaceTypeDefinitionNode &$parentType,
-            ): void
-            {
+            ): void {
                 $argDefinition->type = Parser::namedType('Int');
             }
         };
-    
+
         $directiveLocator = $this->app->make(DirectiveLocator::class);
         $directiveLocator->setResolved('foo', $directive::class);
 
@@ -321,24 +315,23 @@ public function manipulateArgDefinition(
                 InputValueDefinitionNode &$argDefinition,
                 FieldDefinitionNode &$parentField,
                 ObjectTypeDefinitionNode|InterfaceTypeDefinitionNode &$parentType,
-            ): void
-            {
+            ): void {
                 $directiveInstance = ASTHelper::addDirectiveToNode('@foo', $argDefinition);
 
                 assert($directiveInstance instanceof ArgManipulator);
-          
+
                 $directiveInstance->manipulateArgDefinition($documentAST, $argDefinition, $parentField, $parentType);
             }
         };
 
-        $directiveLocator = $this->app->make(DirectiveLocator::class);
         $directiveLocator->setResolved('dynamic', $dynamicDirective::class);
 
         $this->schema = /** @lang GraphQL */ '
         type Query {
-            foo( name: String @dynamic ): String
+            foo(name: String @dynamic): String
         }
         ';
+        $astBuilder = $this->app->make(ASTBuilder::class);
         $documentAST = $astBuilder->documentAST();
 
         $queryType = $documentAST->types[RootType::QUERY];
@@ -353,6 +346,6 @@ public function manipulateArgDefinition(
         $typeType = $argumentType->type;
         assert($typeType instanceof NamedTypeNode);
 
-        $this->assertEquals($typeType->name->value, 'Int');
+        $this->assertSame($typeType->name->value, 'Int');
     }
 }