diff --git a/tests/Fakes/Models/DummyModelWithPropertyMorphableCast.php b/tests/Fakes/Models/DummyModelWithPropertyMorphableCast.php
new file mode 100644
index 00000000..ce1bfe6f
--- /dev/null
+++ b/tests/Fakes/Models/DummyModelWithPropertyMorphableCast.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Spatie\LaravelData\Tests\Fakes\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Spatie\LaravelData\Tests\Fakes\PropertyMorphableData\AbstractPropertyMorphableData;
+use Spatie\LaravelData\Tests\Fakes\SimpleDataCollection;
+
+class DummyModelWithPropertyMorphableCast extends Model
+{
+    protected $casts = [
+        'data' => AbstractPropertyMorphableData::class,
+        'data_collection' => SimpleDataCollection::class.':'.AbstractPropertyMorphableData::class,
+    ];
+
+    protected $table = 'dummy_model_with_casts';
+
+    public $timestamps = false;
+}
diff --git a/tests/Support/EloquentCasts/DataCollectionEloquentCastTest.php b/tests/Support/EloquentCasts/DataCollectionEloquentCastTest.php
index 97efc5d1..676e6d42 100644
--- a/tests/Support/EloquentCasts/DataCollectionEloquentCastTest.php
+++ b/tests/Support/EloquentCasts/DataCollectionEloquentCastTest.php
@@ -11,6 +11,9 @@
 use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithCasts;
 use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithCustomCollectionCasts;
 use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithDefaultCasts;
+use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithPropertyMorphableCast;
+use Spatie\LaravelData\Tests\Fakes\PropertyMorphableData\PropertyMorphableDataA;
+use Spatie\LaravelData\Tests\Fakes\PropertyMorphableData\PropertyMorphableDataB;
 use Spatie\LaravelData\Tests\Fakes\SimpleData;
 use Spatie\LaravelData\Tests\Fakes\SimpleDataCollection;
 
@@ -170,3 +173,29 @@
     expect($model->abstract_collection[0])->toBeInstanceOf(AbstractDataA::class);
     expect($model->abstract_collection[1])->toBeInstanceOf(AbstractDataB::class);
 });
+
+it('can load and save an abstract property-morphable data collection', function () {
+    $abstractA = new PropertyMorphableDataA('foo');
+    $abstractB = new PropertyMorphableDataB('bar');
+
+    $modelId = DummyModelWithPropertyMorphableCast::create([
+        'data_collection' => [$abstractA, $abstractB],
+    ])->id;
+
+    assertDatabaseHas(DummyModelWithPropertyMorphableCast::class, [
+        'data_collection' => json_encode([
+            ['a' => 'foo', 'variant' => 'a'],
+            ['b' => 'bar', 'variant' => 'b'],
+        ], JSON_PRETTY_PRINT),
+    ]);
+
+    $model = DummyModelWithPropertyMorphableCast::find($modelId);
+
+    expect($model->data_collection[0])
+        ->toBeInstanceOf(PropertyMorphableDataA::class)
+        ->a->toBe('foo');
+
+    expect($model->data_collection[1])
+        ->toBeInstanceOf(PropertyMorphableDataB::class)
+        ->b->toBe('bar');
+});
diff --git a/tests/Support/EloquentCasts/DataEloquentCastTest.php b/tests/Support/EloquentCasts/DataEloquentCastTest.php
index 4b291512..ba875728 100644
--- a/tests/Support/EloquentCasts/DataEloquentCastTest.php
+++ b/tests/Support/EloquentCasts/DataEloquentCastTest.php
@@ -12,6 +12,8 @@
 use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithCasts;
 use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithDefaultCasts;
 use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithEncryptedCasts;
+use Spatie\LaravelData\Tests\Fakes\Models\DummyModelWithPropertyMorphableCast;
+use Spatie\LaravelData\Tests\Fakes\PropertyMorphableData\PropertyMorphableDataA;
 use Spatie\LaravelData\Tests\Fakes\SimpleData;
 use Spatie\LaravelData\Tests\Fakes\SimpleDataWithDefaultValue;
 
@@ -183,3 +185,21 @@
 
     expect($isEncrypted)->toBeTrue();
 });
+
+it('can load and save an abstract property-morphable data object', function () {
+    $abstractA = new PropertyMorphableDataA('foo');
+
+    $modelId = DummyModelWithPropertyMorphableCast::create([
+        'data' => $abstractA,
+    ])->id;
+
+    assertDatabaseHas(DummyModelWithPropertyMorphableCast::class, [
+        'data' => json_encode(['a' => 'foo', 'variant' => 'a']),
+    ]);
+
+    $model = DummyModelWithPropertyMorphableCast::find($modelId);
+
+    expect($model->data)
+        ->toBeInstanceOf(PropertyMorphableDataA::class)
+        ->a->toBe('foo');
+});
diff --git a/tests/ValidationTest.php b/tests/ValidationTest.php
index d6e1dff9..e08c2f8c 100644
--- a/tests/ValidationTest.php
+++ b/tests/ValidationTest.php
@@ -55,6 +55,8 @@
 use Spatie\LaravelData\Tests\Fakes\MultiData;
 use Spatie\LaravelData\Tests\Fakes\NestedData;
 use Spatie\LaravelData\Tests\Fakes\NestedNullableData;
+use Spatie\LaravelData\Tests\Fakes\PropertyMorphableData\AbstractPropertyMorphableData;
+use Spatie\LaravelData\Tests\Fakes\PropertyMorphableData\NestedPropertyMorphableData;
 use Spatie\LaravelData\Tests\Fakes\SimpleData;
 use Spatie\LaravelData\Tests\Fakes\SimpleDataWithExplicitValidationRuleAttributeData;
 use Spatie\LaravelData\Tests\Fakes\SimpleDataWithOverwrittenRules;
@@ -2528,3 +2530,56 @@ public function __construct(
             'otherProperty' => 'Hello World',
         ]);
 });
+
+it('can validate property-morphable data', function () {
+    DataValidationAsserter::for(AbstractPropertyMorphableData::class)
+        ->assertErrors([], [
+            'variant' => ['The variant field is required.'],
+        ])
+        ->assertErrors([
+            'variant' => 'c',
+        ], [
+            'variant' => ['The selected variant is invalid.'],
+        ])
+        ->assertErrors([
+            'variant' => 'a',
+        ], [
+            'a' => ['The a field is required.'],
+        ])
+        ->assertErrors([
+            'variant' => 'b',
+        ], [
+            'b' => ['The b field is required.'],
+        ])
+        ->assertOk([
+            'variant' => 'a',
+            'a' => 'foo',
+        ])
+        ->assertOk([
+            'variant' => 'b',
+            'b' => 'foo',
+        ]);
+});
+
+it('can validate nested property-morphable data', function () {
+    DataValidationAsserter::for(NestedPropertyMorphableData::class)
+        ->assertErrors([
+            'nestedCollection' => [[]],
+        ], [
+            'nestedCollection.0.variant' => ['The nested collection.0.variant field is required.'],
+        ])
+        ->assertErrors([
+            'nestedCollection' => [['variant' => 'c']],
+        ], [
+            'nestedCollection.0.variant' => ['The selected nested collection.0.variant is invalid.'],
+        ])
+        ->assertErrors([
+            'nestedCollection' => [['variant' => 'a'], ['variant' => 'b']],
+        ], [
+            'nestedCollection.0.a' => ['The nested collection.0.a field is required.'],
+            'nestedCollection.1.b' => ['The nested collection.1.b field is required.'],
+        ])
+        ->assertOk([
+            'nestedCollection' => [['variant' => 'a', 'a' => 'foo'], ['variant' => 'b', 'b' => 'bar']],
+        ]);
+});