diff --git a/CHANGELOG.md b/CHANGELOG.md
index 822d530d8..94f68a9a3 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
 
+## v6.42.2
+
+### Fixed
+
+- Restore correct function of nested `HasMany` and `MorphOne` mutations https://github.com/nuwave/lighthouse/pull/2591
+
 ## v6.42.1
 
 ### Changed
diff --git a/src/Execution/Arguments/NestedOneToMany.php b/src/Execution/Arguments/NestedOneToMany.php
index ecf8885b8..8b2c216aa 100644
--- a/src/Execution/Arguments/NestedOneToMany.php
+++ b/src/Execution/Arguments/NestedOneToMany.php
@@ -22,7 +22,7 @@ public function __invoke($model, $args): void
         assert($relation instanceof HasMany || $relation instanceof MorphMany);
 
         if ($args->has('create')) {
-            $saveModel = new ResolveNested(new SaveModel());
+            $saveModel = new ResolveNested(new SaveModel($relation));
 
             foreach ($args->arguments['create']->value as $childArgs) {
                 // @phpstan-ignore-next-line Relation&Builder mixin not recognized
@@ -31,7 +31,7 @@ public function __invoke($model, $args): void
         }
 
         if ($args->has('update')) {
-            $updateModel = new ResolveNested(new UpdateModel(new SaveModel()));
+            $updateModel = new ResolveNested(new UpdateModel(new SaveModel($relation)));
 
             foreach ($args->arguments['update']->value as $childArgs) {
                 // @phpstan-ignore-next-line Relation&Builder mixin not recognized
@@ -40,7 +40,7 @@ public function __invoke($model, $args): void
         }
 
         if ($args->has('upsert')) {
-            $upsertModel = new ResolveNested(new UpsertModel(new SaveModel()));
+            $upsertModel = new ResolveNested(new UpsertModel(new SaveModel($relation)));
 
             foreach ($args->arguments['upsert']->value as $childArgs) {
                 // @phpstan-ignore-next-line Relation&Builder mixin not recognized
diff --git a/src/Execution/Arguments/NestedOneToOne.php b/src/Execution/Arguments/NestedOneToOne.php
index cdd3155c6..d2de3e170 100644
--- a/src/Execution/Arguments/NestedOneToOne.php
+++ b/src/Execution/Arguments/NestedOneToOne.php
@@ -22,19 +22,19 @@ public function __invoke($model, $args): void
         assert($relation instanceof HasOne || $relation instanceof MorphOne);
 
         if ($args->has('create')) {
-            $saveModel = new ResolveNested(new SaveModel());
+            $saveModel = new ResolveNested(new SaveModel($relation));
 
             $saveModel($relation->make(), $args->arguments['create']->value);
         }
 
         if ($args->has('update')) {
-            $updateModel = new ResolveNested(new UpdateModel(new SaveModel()));
+            $updateModel = new ResolveNested(new UpdateModel(new SaveModel($relation)));
 
             $updateModel($relation->make(), $args->arguments['update']->value);
         }
 
         if ($args->has('upsert')) {
-            $upsertModel = new ResolveNested(new UpsertModel(new SaveModel()));
+            $upsertModel = new ResolveNested(new UpsertModel(new SaveModel($relation)));
 
             $upsertModel($relation->make(), $args->arguments['upsert']->value);
         }
diff --git a/tests/Integration/Execution/MutationExecutor/HasManyTest.php b/tests/Integration/Execution/MutationExecutor/HasManyTest.php
index e6c8d5e4f..8d5593aa4 100644
--- a/tests/Integration/Execution/MutationExecutor/HasManyTest.php
+++ b/tests/Integration/Execution/MutationExecutor/HasManyTest.php
@@ -834,4 +834,52 @@ public function testConnectModelWithCustomKey(): void
             ],
         ]);
     }
+
+    public function testUpdateNestedHasMany(): void
+    {
+        $user = factory(User::class)->create();
+        assert($user instanceof User);
+
+        $task = factory(Task::class)->create();
+        assert($task instanceof Task);
+
+        $this->graphQL(/** @lang GraphQL */ '
+            mutation ($input: UpdateUserInput!) {
+                updateUser(input: $input) {
+                    id
+                    name
+                    tasks {
+                        id
+                        name
+                    }
+                }
+            }
+           ', [
+            'input' => [
+                'id' => $user->id,
+                'name' => 'foo',
+                'tasks' => [
+                    'update' => [
+                        [
+                            'id' => $task->id,
+                            'name' => 'bar',
+                        ],
+                    ],
+                ],
+            ],
+        ])->assertJson([
+            'data' => [
+                'updateUser' => [
+                    'id' => $user->id,
+                    'name' => 'foo',
+                    'tasks' => [
+                        [
+                            'id' => $task->id,
+                            'name' => 'bar',
+                        ],
+                    ],
+                ],
+            ],
+        ]);
+    }
 }
diff --git a/tests/Integration/Execution/MutationExecutor/MorphOneTest.php b/tests/Integration/Execution/MutationExecutor/MorphOneTest.php
index 8a86ccd99..1667204f6 100644
--- a/tests/Integration/Execution/MutationExecutor/MorphOneTest.php
+++ b/tests/Integration/Execution/MutationExecutor/MorphOneTest.php
@@ -369,4 +369,46 @@ public function testUpdateAndDeleteMorphOne(string $action): void
             ],
         ]);
     }
+
+    public function testNestedConnectMorphOne(): void
+    {
+        $task = factory(Task::class)->create();
+        assert($task instanceof Task);
+
+        $image = factory(Image::class)->create();
+        assert($image instanceof Image);
+
+        $this->graphQL(/** @lang GraphQL */ '
+        mutation ($input: UpdateTaskInput!) {
+            updateTask(input: $input) {
+                id
+                name
+                image {
+                    url
+                }
+            }
+        }
+        ', [
+            'input' => [
+                'id' => $task->id,
+                'name' => 'foo',
+                'image' => [
+                    'upsert' => [
+                        'id' => $image->id,
+                        'url' => 'foo',
+                    ],
+                ],
+            ],
+        ])->assertJson([
+            'data' => [
+                'updateTask' => [
+                    'id' => '1',
+                    'name' => 'foo',
+                    'image' => [
+                        'url' => 'foo',
+                    ],
+                ],
+            ],
+        ]);
+    }
 }