diff --git a/src/BindsOnUlid.php b/src/BindsOnUlid.php
new file mode 100644
index 0000000..34480fb
--- /dev/null
+++ b/src/BindsOnUlid.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Dyrynda\Database\Support;
+
+use Illuminate\Database\Eloquent\Model;
+
+trait BindsOnUlid
+{
+    /**
+     * Route bind desired uuid field
+     * Default 'uuid' column name has been set.
+     *
+     * @param  string  $value
+     * @param  null|string  $field
+     */
+    public function resolveRouteBinding($value, $field = null): Model
+    {
+        return self::whereUlid($value, $field)->firstOrFail();
+    }
+
+    /**
+     * Get the route key for the model.
+     */
+    public function getRouteKeyName(): string
+    {
+        return $this->ulidColumn();
+    }
+}
diff --git a/src/GeneratesUlid.php b/src/GeneratesUlid.php
new file mode 100644
index 0000000..ee99746
--- /dev/null
+++ b/src/GeneratesUlid.php
@@ -0,0 +1,127 @@
+<?php
+
+namespace Dyrynda\Database\Support;
+
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
+use Ramsey\Uuid\Exception\InvalidUuidStringException;
+use Symfony\Component\Uid\Ulid;
+
+/**
+ * Ulid generation trait.
+ *
+ * Include this trait in any Eloquent model where you wish to automatically set
+ * a Ulid field. When saving, if the Ulid field has not been set, generate a
+ * new Ulid value, which will be set on the model and saved by Eloquent.
+ *
+ * @copyright 2023 atymicq@gmail.com
+ * @license   MIT
+ **
+ * @method static \Illuminate\Database\Eloquent\Builder whereUlid(string $ulid)
+ */
+trait GeneratesUlid
+{
+    /**
+     * Boot the trait, adding a creating observer.
+     *
+     * When persisting a new model instance, we resolve the Ulid field, then set
+     * a fresh Ulid, taking into account if we need to cast to binary or not.
+     */
+    public static function bootGeneratesUlid(): void
+    {
+        static::creating(function ($model) {
+            /* @var \Illuminate\Database\Eloquent\Model|static $model */
+
+            foreach ($model->ulidColumns() as $item) {
+                $ulid = new Ulid();
+
+                if (isset($model->attributes[$item]) && !is_null($model->attributes[$item])) {
+                    try {
+                        $ulid = Ulid::fromString(strtolower($model->attributes[$item]));
+                    } catch (InvalidUuidStringException $e) {
+                        $ulid = Ulid::fromBinary($model->attributes[$item]);
+                    }
+                }
+
+                $model->{$item} = strtolower($ulid->toBase32());
+            }
+        });
+    }
+
+    /**
+     * The name of the column that should be used for the Ulid.
+     */
+    public function ulidColumn(): string
+    {
+        return 'ulid';
+    }
+
+    /**
+     * The names of the columns that should be used for the Ulid.
+     */
+    public function ulidColumns(): array
+    {
+        return [$this->ulidColumn()];
+    }
+
+    /**
+     * Scope queries to find by Ulid.
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @param string|array                          $ulid
+     * @param string                                $ulidColumn
+     */
+    public function scopeWhereUlid($query, $ulid, $ulidColumn = null): Builder
+    {
+        $ulidColumn = !is_null($ulidColumn) && in_array($ulidColumn, $this->ulidColumns())
+            ? $ulidColumn
+            : $this->ulidColumns()[0];
+
+        $ulid = $this->normaliseUuids($ulid);
+
+        if ($this->isClassCastable($ulidColumn)) {
+            $ulid = $this->bytesFromUlid($ulid);
+        }
+
+        return $query->whereIn(
+            $this->qualifyColumn($ulidColumn),
+            Arr::wrap($ulid)
+        );
+    }
+
+    /**
+     * Convert a single UUID or array of UUIDs to bytes.
+     *
+     * @param \Illuminate\Contracts\Support\Arrayable|array|string $ulid
+     */
+    protected function bytesFromUlid($ulid): array
+    {
+        if (is_array($ulid) || $ulid instanceof Arrayable) {
+            array_walk($ulid, function (&$uuid) {
+                $uuid = Ulid::fromString($uuid)->toBinary();
+            });
+
+            return $ulid;
+        }
+
+        return Arr::wrap(Ulid::fromString($ulid)->toBinary());
+    }
+
+    /**
+     * Normalises a single or array of input Ulids, filtering any invalid Ulid.
+     *
+     * @param \Illuminate\Contracts\Support\Arrayable|array|string $ulid
+     */
+    protected function normaliseUuids($ulid): array
+    {
+        $ulid = array_map(function ($uuid) {
+            return Str::lower($uuid);
+        }, Arr::wrap($ulid));
+
+        return array_filter($ulid, function ($uuid) {
+            return Ulid::isValid($uuid);
+        });
+    }
+}
diff --git a/tests/Feature/BindUlidTest.php b/tests/Feature/BindUlidTest.php
new file mode 100644
index 0000000..5492524
--- /dev/null
+++ b/tests/Feature/BindUlidTest.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Routing\Middleware\SubstituteBindings;
+use Illuminate\Support\Facades\Route;
+use Tests\Fixtures\Ulid\CustomUlidRouteBoundPost;
+use Tests\Fixtures\Ulid\MultipleUlidRouteBoundPost;
+use Tests\Fixtures\Ulid\UlidRouteBoundPost;
+use Tests\TestCase;
+
+class BindUlidTest extends TestCase
+{
+    /** @test */
+    public function it_binds_to_default_ulid_field()
+    {
+        $post = factory(UlidRouteBoundPost::class)->create();
+
+        Route::middleware(SubstituteBindings::class)->get('/posts/{post}', function (UlidRouteBoundPost $post) {
+            return $post;
+        })->name('posts.show');
+
+        $this->get('/posts/'.$post->ulid)->assertSuccessful();
+        $this->get(route('posts.show', $post))->assertSuccessful();
+    }
+
+    /** @test */
+    public function it_fails_on_invalid_default_ulid_field_value()
+    {
+        $post = factory(UlidRouteBoundPost::class)->create();
+
+        Route::middleware(SubstituteBindings::class)->get('/posts/{post}', function (UlidRouteBoundPost $post) {
+            return $post;
+        })->name('posts.show');
+
+        $this->get('/posts/'.$post->custom_ulid)->assertNotFound();
+        $this->get(route('posts.show', $post->custom_ulid))->assertNotFound();
+    }
+
+    /** @test */
+    public function it_binds_to_custom_ulid_field()
+    {
+        $post = factory(CustomUlidRouteBoundPost::class)->create();
+
+        Route::middleware(SubstituteBindings::class)->get('/posts/{post}', function (CustomUlidRouteBoundPost $post) {
+            return $post;
+        })->name('posts.show');
+
+        $this->get('/posts/'.$post->custom_ulid)->assertSuccessful();
+        $this->get(route('posts.show', $post))->assertSuccessful();
+    }
+
+    /** @test */
+    public function it_fails_on_invalid_custom_ulid_field_value()
+    {
+        $post = factory(CustomUlidRouteBoundPost::class)->create();
+
+        Route::middleware(SubstituteBindings::class)->get('/posts/{post}', function (CustomUlidRouteBoundPost $post) {
+            return $post;
+        })->name('posts.show');
+
+        $this->get('/posts/'.$post->ulid)->assertNotFound();
+        $this->get(route('posts.show', $post->ulid))->assertNotFound();
+    }
+
+    /** @test */
+    public function it_binds_to_declared_ulid_column_instead_of_default_when_custom_key_used()
+    {
+        $post = factory(MultipleUlidRouteBoundPost::class)->create();
+
+        Route::middleware(SubstituteBindings::class)->get('/posts/{post:custom_ulid}', function (MultipleUlidRouteBoundPost $post) {
+            return $post;
+        })->name('posts.show');
+
+        $this->get('/posts/'.$post->custom_ulid)->assertSuccessful();
+        $this->get(route('posts.show', $post))->assertSuccessful();
+    }
+
+    /** @test */
+    public function it_fails_on_invalid_ulid_when_custom_route_key_used()
+    {
+        $post = factory(MultipleUlidRouteBoundPost::class)->create();
+
+        Route::middleware(SubstituteBindings::class)->get('/posts/{post:custom_ulid}', function (MultipleUlidRouteBoundPost $post) {
+            return $post;
+        })->name('posts.show');
+
+        $this->get('/posts/'.$post->ulid)->assertNotFound();
+        $this->get(route('posts.show', $post->ulid))->assertNotFound();
+    }
+}
diff --git a/tests/Feature/BindUuidTest.php b/tests/Feature/BindUuidTest.php
index e2e55d8..92c6711 100644
--- a/tests/Feature/BindUuidTest.php
+++ b/tests/Feature/BindUuidTest.php
@@ -4,9 +4,9 @@
 
 use Illuminate\Routing\Middleware\SubstituteBindings;
 use Illuminate\Support\Facades\Route;
-use Tests\Fixtures\CustomUuidRouteBoundPost;
-use Tests\Fixtures\MultipleUuidRouteBoundPost;
-use Tests\Fixtures\UuidRouteBoundPost;
+use Tests\Fixtures\Uuid\CustomUuidRouteBoundPost;
+use Tests\Fixtures\Uuid\MultipleUuidRouteBoundPost;
+use Tests\Fixtures\Uuid\UuidRouteBoundPost;
 use Tests\TestCase;
 
 class BindUuidTest extends TestCase
diff --git a/tests/Feature/UlidTest.php b/tests/Feature/UlidTest.php
new file mode 100644
index 0000000..6c9f812
--- /dev/null
+++ b/tests/Feature/UlidTest.php
@@ -0,0 +1,184 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Foundation\Testing\WithFaker;
+use Tests\Fixtures\Ulid\Comment;
+use Tests\Fixtures\Ulid\CustomCastUlidPost;
+use Tests\Fixtures\Ulid\CustomUlidPost;
+use Tests\Fixtures\Ulid\MultipleUlidPost;
+use Tests\Fixtures\Ulid\OrderedPost;
+use Tests\Fixtures\Ulid\Post;
+use Tests\Fixtures\Ulid\UncastPost;
+use Tests\TestCase;
+
+class UlidTest extends TestCase
+{
+    use WithFaker;
+
+    /** @test */
+    public function it_sets_the_ulid_when_creating_a_new_model()
+    {
+        $post = Post::create(['title' => 'Test post']);
+
+        $this->assertNotNull($post->ulid);
+    }
+
+    /** @test */
+    public function it_does_not_override_the_ulid_if_it_is_already_set()
+    {
+        $ulid = '01ha3jhmpz4mgvgf772wyksj9d';
+
+        $post = Post::create(['title' => 'Test post', 'ulid' => $ulid]);
+
+        $this->assertSame($ulid, $post->ulid);
+    }
+
+    /** @test */
+    public function you_can_find_a_model_by_its_ulid()
+    {
+        $ulid = '01ha3jhmpzyhympbf0d7q34fg8';
+
+        Post::create(['title' => 'test post', 'ulid' => $ulid]);
+
+        $post = Post::whereUlid($ulid)->first();
+
+        $this->assertInstanceOf(Post::class, $post);
+        $this->assertSame($ulid, $post->ulid);
+    }
+
+    /** @test */
+    public function you_can_find_a_model_by_custom_ulid_parameter()
+    {
+        $ulid = '01ha3jhmpztcfkbpc6he6zcfs7';
+        $custom_ulid = '01ha3jhmpzs0fjja2v79cjng4j';
+
+        MultipleUlidPost::create(['title' => 'test post', 'ulid' => $ulid, 'custom_ulid' => $custom_ulid]);
+
+        $post1 = MultipleUlidPost::whereUlid($ulid)->first();
+        $this->assertInstanceOf(MultipleUlidPost::class, $post1);
+        $this->assertSame($ulid, $post1->ulid);
+
+        $post2 = MultipleUlidPost::whereUlid($ulid, 'ulid')->first();
+        $this->assertInstanceOf(MultipleUlidPost::class, $post2);
+        $this->assertSame($ulid, $post2->ulid);
+
+        $post3 = MultipleUlidPost::whereUlid($custom_ulid, 'custom_ulid')->first();
+        $this->assertInstanceOf(MultipleUlidPost::class, $post3);
+        $this->assertSame($custom_ulid, $post3->custom_ulid);
+    }
+
+    /** @test */
+    public function you_can_search_by_array_of_ulids()
+    {
+        $first = Post::create(['title' => 'first post', 'ulid' => '01ha3jhmpzhpf2hvycgrh1r2k7']);
+        $second = Post::create(['title' => 'second post', 'ulid' => '01ha3jhmpze5c2t5crycf0z1c5']);
+
+        $this->assertEquals(2, Post::whereUlid([
+            '01ha3jhmpzhpf2hvycgrh1r2k7',
+            '01ha3jhmpze5c2t5crycf0z1c5',
+        ])->count());
+    }
+
+    /** @test */
+    public function you_can_search_by_array_of_ulids_for_custom_column()
+    {
+        $first = CustomCastUlidPost::create(['title' => 'first post', 'custom_ulid' => '01ha3jhmpzp9mnxrtsbq6kwcmq']);
+        $second = CustomCastUlidPost::create(['title' => 'second post', 'custom_ulid' => '01ha3jhmpzvyb4e2ht3y25hvxw']);
+
+        $this->assertEquals(2, CustomCastUlidPost::whereUlid([
+            '01ha3jhmpzp9mnxrtsbq6kwcmq',
+            '01ha3jhmpzvyb4e2ht3y25hvxw',
+        ], 'custom_ulid')->count());
+    }
+
+    /** @test */
+    public function you_can_generate_a_ulid_without_casting()
+    {
+        $post = UncastPost::create(['title' => 'test post']);
+
+        $this->assertNotNull($post->ulid);
+    }
+
+    /** @test */
+    public function you_can_generate_a_ulid_with_casting_and_a_custom_field_name()
+    {
+        $post = CustomCastUlidPost::create(['title' => 'test post']);
+
+        $this->assertNotNull($post->custom_ulid);
+    }
+
+    /** @test */
+    public function you_can_specify_a_ulid_without_casting()
+    {
+        $ulid = '01ha3jhmpz90kbrmf088p7sfpb';
+
+        $post = UncastPost::create(['title' => 'test-post', 'ulid' => $ulid]);
+
+        $this->assertSame($ulid, $post->ulid);
+    }
+
+    /** @test */
+    public function you_can_find_a_model_by_ulid_without_casting()
+    {
+        $ulid = '01ha3jhmpz42w72r19r4j740d1';
+
+        UncastPost::create(['title' => 'test-post', 'ulid' => $ulid]);
+
+        $post = UncastPost::whereUlid($ulid)->first();
+
+        $this->assertInstanceOf(UncastPost::class, $post);
+        $this->assertSame($ulid, $post->ulid);
+    }
+
+    /** @test */
+    public function it_allows_configurable_ulid_column_names()
+    {
+        $post = CustomUlidPost::create(['title' => 'test-post']);
+
+        $this->assertNotNull($post->custom_ulid);
+    }
+
+    /** @test */
+    public function it_handles_an_invalid_ulid()
+    {
+        $ulid = 'b270f651-4db8-407b-aade-8666aca2750e';
+
+        Post::create(['title' => 'invalid ulid', 'ulid' => $ulid]);
+
+        $this->expectException(ModelNotFoundException::class);
+
+        Post::whereUlid('invalid ulid')->firstOrFail();
+    }
+
+    /** @test */
+    public function it_handles_a_null_ulid_column()
+    {
+        tap(Model::withoutEvents(function () {
+            return Post::create([
+                'title' => 'Nullable ulid',
+                'ulid' => null,
+            ]);
+        }), function ($post) {
+            $this->assertNull($post->ulid);
+        });
+    }
+
+    /** @test */
+    public function it_handles_queries_with_multiple_ulid_columns()
+    {
+        $post = factory(Post::class)->create([
+            'ulid' => '01ha3jhmpzt4yemas4bxb4c4b4',
+        ]);
+        $comment = $post->comments()->save(factory(Comment::class)->make([
+            'ulid' => '01ha3jhmpz95rcvhj6jrbb7qvd',
+        ]));
+
+        tap($post->comments()->whereUlid($comment->ulid)->first(), function ($comment) {
+            $this->assertNotNull($comment);
+            $this->assertEquals('01ha3jhmpzt4yemas4bxb4c4b4', $comment->post->ulid);
+        });
+    }
+}
diff --git a/tests/Feature/UuidTest.php b/tests/Feature/UuidTest.php
index 9016a5b..933f3e1 100644
--- a/tests/Feature/UuidTest.php
+++ b/tests/Feature/UuidTest.php
@@ -6,18 +6,18 @@
 use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Foundation\Testing\WithFaker;
 use Ramsey\Uuid\Uuid;
-use Tests\Fixtures\Comment;
-use Tests\Fixtures\CustomCastUuidPost;
-use Tests\Fixtures\CustomUuidPost;
-use Tests\Fixtures\EfficientUuidPost;
-use Tests\Fixtures\MultipleUuidPost;
-use Tests\Fixtures\OrderedPost;
-use Tests\Fixtures\Post;
-use Tests\Fixtures\UncastPost;
-use Tests\Fixtures\Uuid1Post;
-use Tests\Fixtures\Uuid4Post;
-use Tests\Fixtures\Uuid6Post;
-use Tests\Fixtures\Uuid7Post;
+use Tests\Fixtures\Uuid\Comment;
+use Tests\Fixtures\Uuid\CustomCastUuidPost;
+use Tests\Fixtures\Uuid\CustomUuidPost;
+use Tests\Fixtures\Uuid\EfficientUuidPost;
+use Tests\Fixtures\Uuid\MultipleUuidPost;
+use Tests\Fixtures\Uuid\OrderedPost;
+use Tests\Fixtures\Uuid\Post;
+use Tests\Fixtures\Uuid\UncastPost;
+use Tests\Fixtures\Uuid\Uuid1Post;
+use Tests\Fixtures\Uuid\Uuid4Post;
+use Tests\Fixtures\Uuid\Uuid6Post;
+use Tests\Fixtures\Uuid\Uuid7Post;
 use Tests\TestCase;
 
 class UuidTest extends TestCase
diff --git a/tests/Fixtures/Comment.php b/tests/Fixtures/Ulid/Comment.php
similarity index 63%
rename from tests/Fixtures/Comment.php
rename to tests/Fixtures/Ulid/Comment.php
index b6b27b6..2b00b07 100644
--- a/tests/Fixtures/Comment.php
+++ b/tests/Fixtures/Ulid/Comment.php
@@ -1,10 +1,10 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Ulid;
 
 class Comment extends Model
 {
-    protected $table = 'comments';
+    protected $table = 'ulid_comments';
 
     public function post()
     {
diff --git a/tests/Fixtures/Ulid/CustomCastUlidPost.php b/tests/Fixtures/Ulid/CustomCastUlidPost.php
new file mode 100644
index 0000000..f22cc4a
--- /dev/null
+++ b/tests/Fixtures/Ulid/CustomCastUlidPost.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+class CustomCastUlidPost extends Model
+{
+    public function ulidColumn(): string
+    {
+        return 'custom_ulid';
+    }
+}
diff --git a/tests/Fixtures/Ulid/CustomUlidPost.php b/tests/Fixtures/Ulid/CustomUlidPost.php
new file mode 100644
index 0000000..3e6d441
--- /dev/null
+++ b/tests/Fixtures/Ulid/CustomUlidPost.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+class CustomUlidPost extends Model
+{
+    public function ulidColumn(): string
+    {
+        return 'custom_ulid';
+    }
+}
diff --git a/tests/Fixtures/Ulid/CustomUlidRouteBoundPost.php b/tests/Fixtures/Ulid/CustomUlidRouteBoundPost.php
new file mode 100644
index 0000000..0706dc3
--- /dev/null
+++ b/tests/Fixtures/Ulid/CustomUlidRouteBoundPost.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+use Dyrynda\Database\Support\BindsOnUlid;
+
+class CustomUlidRouteBoundPost extends Model
+{
+    use BindsOnUlid;
+
+    public function ulidColumn(): string
+    {
+        return 'custom_ulid';
+    }
+}
diff --git a/tests/Fixtures/Ulid/Model.php b/tests/Fixtures/Ulid/Model.php
new file mode 100644
index 0000000..a7423c0
--- /dev/null
+++ b/tests/Fixtures/Ulid/Model.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+use Dyrynda\Database\Support\GeneratesUlid;
+use Illuminate\Database\Eloquent\Model as BaseModel;
+
+abstract class Model extends BaseModel
+{
+    use GeneratesUlid;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected $table = 'ulid_posts';
+
+    /**
+     * {@inheritdoc}
+     */
+    protected $guarded = [];
+
+    /**
+     * {@inheritdoc}
+     */
+    public $timestamps = false;
+}
diff --git a/tests/Fixtures/Ulid/MultipleUlidPost.php b/tests/Fixtures/Ulid/MultipleUlidPost.php
new file mode 100644
index 0000000..9dc02f6
--- /dev/null
+++ b/tests/Fixtures/Ulid/MultipleUlidPost.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+class MultipleUlidPost extends Model
+{
+    public function ulidColumns(): array
+    {
+        return ['ulid', 'custom_ulid'];
+    }
+}
diff --git a/tests/Fixtures/Ulid/MultipleUlidRouteBoundPost.php b/tests/Fixtures/Ulid/MultipleUlidRouteBoundPost.php
new file mode 100644
index 0000000..02c780a
--- /dev/null
+++ b/tests/Fixtures/Ulid/MultipleUlidRouteBoundPost.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+use Dyrynda\Database\Support\BindsOnUlid;
+
+class MultipleUlidRouteBoundPost extends Model
+{
+    use BindsOnUlid;
+
+    public function ulidColumns(): array
+    {
+        return [
+            'ulid', 'custom_ulid',
+        ];
+    }
+}
diff --git a/tests/Fixtures/Post.php b/tests/Fixtures/Ulid/Post.php
similarity index 64%
rename from tests/Fixtures/Post.php
rename to tests/Fixtures/Ulid/Post.php
index 2449e2c..8dbc180 100644
--- a/tests/Fixtures/Post.php
+++ b/tests/Fixtures/Ulid/Post.php
@@ -1,9 +1,11 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Ulid;
 
 class Post extends Model
 {
+    protected $table = 'ulid_posts';
+
     public function comments()
     {
         return $this->hasMany(Comment::class);
diff --git a/tests/Fixtures/Ulid/UlidRouteBoundPost.php b/tests/Fixtures/Ulid/UlidRouteBoundPost.php
new file mode 100644
index 0000000..a83785b
--- /dev/null
+++ b/tests/Fixtures/Ulid/UlidRouteBoundPost.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+use Dyrynda\Database\Support\BindsOnUlid;
+
+class UlidRouteBoundPost extends Model
+{
+    use BindsOnUlid;
+
+    public function uuidColumn(): string
+    {
+        return 'uuid';
+    }
+}
diff --git a/tests/Fixtures/Ulid/UncastPost.php b/tests/Fixtures/Ulid/UncastPost.php
new file mode 100644
index 0000000..3484447
--- /dev/null
+++ b/tests/Fixtures/Ulid/UncastPost.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Tests\Fixtures\Ulid;
+
+use Tests\Fixtures\Ulid\Model;
+
+class UncastPost extends Model
+{
+    //
+}
diff --git a/tests/Fixtures/Uuid/Comment.php b/tests/Fixtures/Uuid/Comment.php
new file mode 100644
index 0000000..42a9c84
--- /dev/null
+++ b/tests/Fixtures/Uuid/Comment.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Tests\Fixtures\Uuid;
+
+class Comment extends Model
+{
+    protected $table = 'uuid_comments';
+
+    public function post()
+    {
+        return $this->belongsTo(Post::class);
+    }
+}
diff --git a/tests/Fixtures/CustomCastUuidPost.php b/tests/Fixtures/Uuid/CustomCastUuidPost.php
similarity index 81%
rename from tests/Fixtures/CustomCastUuidPost.php
rename to tests/Fixtures/Uuid/CustomCastUuidPost.php
index a783cb2..b9dbb0f 100644
--- a/tests/Fixtures/CustomCastUuidPost.php
+++ b/tests/Fixtures/Uuid/CustomCastUuidPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 class CustomCastUuidPost extends Model
 {
diff --git a/tests/Fixtures/CustomUuidPost.php b/tests/Fixtures/Uuid/CustomUuidPost.php
similarity index 80%
rename from tests/Fixtures/CustomUuidPost.php
rename to tests/Fixtures/Uuid/CustomUuidPost.php
index 8a3d0e5..9af1909 100644
--- a/tests/Fixtures/CustomUuidPost.php
+++ b/tests/Fixtures/Uuid/CustomUuidPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 class CustomUuidPost extends Model
 {
diff --git a/tests/Fixtures/CustomUuidRouteBoundPost.php b/tests/Fixtures/Uuid/CustomUuidRouteBoundPost.php
similarity index 86%
rename from tests/Fixtures/CustomUuidRouteBoundPost.php
rename to tests/Fixtures/Uuid/CustomUuidRouteBoundPost.php
index 10912dc..d75913f 100644
--- a/tests/Fixtures/CustomUuidRouteBoundPost.php
+++ b/tests/Fixtures/Uuid/CustomUuidRouteBoundPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\BindsOnUuid;
 
diff --git a/tests/Fixtures/EfficientUuidPost.php b/tests/Fixtures/Uuid/EfficientUuidPost.php
similarity index 91%
rename from tests/Fixtures/EfficientUuidPost.php
rename to tests/Fixtures/Uuid/EfficientUuidPost.php
index 9f7e7d3..b6d1df5 100644
--- a/tests/Fixtures/EfficientUuidPost.php
+++ b/tests/Fixtures/Uuid/EfficientUuidPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Casts\EfficientUuid;
 use Dyrynda\Database\Support\GeneratesUuid;
diff --git a/tests/Fixtures/Model.php b/tests/Fixtures/Uuid/Model.php
similarity index 83%
rename from tests/Fixtures/Model.php
rename to tests/Fixtures/Uuid/Model.php
index d9b27c3..8865d6f 100644
--- a/tests/Fixtures/Model.php
+++ b/tests/Fixtures/Uuid/Model.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\GeneratesUuid;
 use Illuminate\Database\Eloquent\Model as BaseModel;
@@ -12,7 +12,7 @@ abstract class Model extends BaseModel
     /**
      * {@inheritdoc}
      */
-    protected $table = 'posts';
+    protected $table = 'uuid_posts';
 
     /**
      * {@inheritdoc}
diff --git a/tests/Fixtures/MultipleUuidPost.php b/tests/Fixtures/Uuid/MultipleUuidPost.php
similarity index 82%
rename from tests/Fixtures/MultipleUuidPost.php
rename to tests/Fixtures/Uuid/MultipleUuidPost.php
index 066b116..caf8904 100644
--- a/tests/Fixtures/MultipleUuidPost.php
+++ b/tests/Fixtures/Uuid/MultipleUuidPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 class MultipleUuidPost extends Model
 {
diff --git a/tests/Fixtures/MultipleUuidRouteBoundPost.php b/tests/Fixtures/Uuid/MultipleUuidRouteBoundPost.php
similarity index 88%
rename from tests/Fixtures/MultipleUuidRouteBoundPost.php
rename to tests/Fixtures/Uuid/MultipleUuidRouteBoundPost.php
index dae57ca..a5bdaff 100644
--- a/tests/Fixtures/MultipleUuidRouteBoundPost.php
+++ b/tests/Fixtures/Uuid/MultipleUuidRouteBoundPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\BindsOnUuid;
 
diff --git a/tests/Fixtures/OrderedPost.php b/tests/Fixtures/Uuid/OrderedPost.php
similarity index 80%
rename from tests/Fixtures/OrderedPost.php
rename to tests/Fixtures/Uuid/OrderedPost.php
index 2f9cfef..d20feeb 100644
--- a/tests/Fixtures/OrderedPost.php
+++ b/tests/Fixtures/Uuid/OrderedPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 class OrderedPost extends Model
 {
diff --git a/tests/Fixtures/Uuid/Post.php b/tests/Fixtures/Uuid/Post.php
new file mode 100644
index 0000000..f6a905b
--- /dev/null
+++ b/tests/Fixtures/Uuid/Post.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Tests\Fixtures\Uuid;
+
+class Post extends Model
+{
+    protected $table = 'uuid_posts';
+
+    public function comments()
+    {
+        return $this->hasMany(Comment::class);
+    }
+}
diff --git a/tests/Fixtures/UncastPost.php b/tests/Fixtures/Uuid/UncastPost.php
similarity index 61%
rename from tests/Fixtures/UncastPost.php
rename to tests/Fixtures/Uuid/UncastPost.php
index 1b29c18..579136f 100644
--- a/tests/Fixtures/UncastPost.php
+++ b/tests/Fixtures/Uuid/UncastPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 class UncastPost extends Model
 {
diff --git a/tests/Fixtures/Uuid1Post.php b/tests/Fixtures/Uuid/Uuid1Post.php
similarity index 85%
rename from tests/Fixtures/Uuid1Post.php
rename to tests/Fixtures/Uuid/Uuid1Post.php
index e7ba2ba..d2daf7a 100644
--- a/tests/Fixtures/Uuid1Post.php
+++ b/tests/Fixtures/Uuid/Uuid1Post.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\GeneratesUuid;
 
diff --git a/tests/Fixtures/Uuid4Post.php b/tests/Fixtures/Uuid/Uuid4Post.php
similarity index 85%
rename from tests/Fixtures/Uuid4Post.php
rename to tests/Fixtures/Uuid/Uuid4Post.php
index 8c70ec7..0150f52 100644
--- a/tests/Fixtures/Uuid4Post.php
+++ b/tests/Fixtures/Uuid/Uuid4Post.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\GeneratesUuid;
 
diff --git a/tests/Fixtures/Uuid6Post.php b/tests/Fixtures/Uuid/Uuid6Post.php
similarity index 85%
rename from tests/Fixtures/Uuid6Post.php
rename to tests/Fixtures/Uuid/Uuid6Post.php
index c8165a7..2c05e4c 100644
--- a/tests/Fixtures/Uuid6Post.php
+++ b/tests/Fixtures/Uuid/Uuid6Post.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\GeneratesUuid;
 
diff --git a/tests/Fixtures/Uuid7Post.php b/tests/Fixtures/Uuid/Uuid7Post.php
similarity index 85%
rename from tests/Fixtures/Uuid7Post.php
rename to tests/Fixtures/Uuid/Uuid7Post.php
index 35fd042..9fae613 100644
--- a/tests/Fixtures/Uuid7Post.php
+++ b/tests/Fixtures/Uuid/Uuid7Post.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\GeneratesUuid;
 
diff --git a/tests/Fixtures/UuidRouteBoundPost.php b/tests/Fixtures/Uuid/UuidRouteBoundPost.php
similarity index 86%
rename from tests/Fixtures/UuidRouteBoundPost.php
rename to tests/Fixtures/Uuid/UuidRouteBoundPost.php
index 459a5d9..50c46d6 100644
--- a/tests/Fixtures/UuidRouteBoundPost.php
+++ b/tests/Fixtures/Uuid/UuidRouteBoundPost.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Tests\Fixtures;
+namespace Tests\Fixtures\Uuid;
 
 use Dyrynda\Database\Support\BindsOnUuid;
 
diff --git a/tests/TestCase.php b/tests/TestCase.php
index fb8a9a1..4a4056b 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -29,7 +29,7 @@ protected function setupDatabase($app)
     {
         Schema::dropAllTables();
 
-        $app['db']->connection()->getSchemaBuilder()->create('posts', function (Blueprint $table) {
+        $app['db']->connection()->getSchemaBuilder()->create('uuid_posts', function (Blueprint $table) {
             $table->increments('id');
             $table->uuid('uuid')->nullable();
             $table->uuid('custom_uuid')->nullable();
@@ -37,11 +37,25 @@ protected function setupDatabase($app)
             $table->string('title');
         });
 
-        $app['db']->connection()->getSchemaBuilder()->create('comments', function (Blueprint $table) {
+        $app['db']->connection()->getSchemaBuilder()->create('uuid_comments', function (Blueprint $table) {
             $table->increments('id');
             $table->foreignId('post_id');
             $table->uuid('uuid')->nullable();
             $table->text('body');
         });
+
+        $app['db']->connection()->getSchemaBuilder()->create('ulid_posts', function (Blueprint $table) {
+            $table->increments('id');
+            $table->ulid('ulid')->nullable();
+            $table->ulid('custom_ulid')->nullable();
+            $table->string('title');
+        });
+
+        $app['db']->connection()->getSchemaBuilder()->create('ulid_comments', function (Blueprint $table) {
+            $table->increments('id');
+            $table->foreignId('post_id');
+            $table->ulid('ulid')->nullable();
+            $table->text('body');
+        });
     }
 }
diff --git a/tests/database/factories/CommentFactory.php b/tests/database/factories/UlidCommentFactory.php
similarity index 80%
rename from tests/database/factories/CommentFactory.php
rename to tests/database/factories/UlidCommentFactory.php
index 0ad46f0..6861628 100644
--- a/tests/database/factories/CommentFactory.php
+++ b/tests/database/factories/UlidCommentFactory.php
@@ -3,8 +3,8 @@
 /** @var \Illuminate\Database\Eloquent\Factory $factory */
 
 use Faker\Generator as Faker;
-use Tests\Fixtures\Comment;
-use Tests\Fixtures\Post;
+use Tests\Fixtures\Ulid\Comment;
+use Tests\Fixtures\Ulid\Post;
 
 $factory->define(Comment::class, function (Faker $faker) {
     return [
diff --git a/tests/database/factories/UlidPostFactory.php b/tests/database/factories/UlidPostFactory.php
new file mode 100644
index 0000000..66a1758
--- /dev/null
+++ b/tests/database/factories/UlidPostFactory.php
@@ -0,0 +1,67 @@
+<?php
+
+/** @var \Illuminate\Database\Eloquent\Factory $factory */
+
+use Faker\Generator as Faker;
+use Symfony\Component\Uid\Ulid;
+use Tests\Fixtures\Ulid\CustomCastUlidPost;
+use Tests\Fixtures\Ulid\CustomUlidPost;
+use Tests\Fixtures\Ulid\CustomUlidRouteBoundPost;
+use Tests\Fixtures\Ulid\MultipleUlidPost;
+use Tests\Fixtures\Ulid\MultipleUlidRouteBoundPost;
+use Tests\Fixtures\Ulid\Post;
+use Tests\Fixtures\Ulid\UlidRouteBoundPost;
+
+$factory->define(CustomCastUlidPost::class, function (Faker $faker) {
+    return [
+        'custom_ulid' => Ulid::generate(),
+        'title' => $faker->sentence,
+    ];
+});
+
+$factory->define(CustomUlidPost::class, function (Faker $faker) {
+    return [
+        'custom_ulid' => Ulid::generate(),
+        'title' => $faker->sentence,
+    ];
+});
+
+
+$factory->define(MultipleUlidPost::class, function (Faker $faker) {
+    return [
+        'ulid' => Ulid::generate(),
+        'custom_ulid' => Ulid::generate(),
+        'title' => $faker->sentence,
+    ];
+});
+
+$factory->define(Post::class, function (Faker $faker) {
+    return [
+        'ulid' => Ulid::generate(),
+        'title' => $faker->sentence,
+    ];
+});
+
+$factory->define(CustomUlidRouteBoundPost::class, function (Faker $faker) {
+    return [
+        'ulid' => Ulid::generate(),
+        'custom_ulid' => Ulid::generate(),
+        'title' => $faker->sentence,
+    ];
+});
+
+$factory->define(UlidRouteBoundPost::class, function (Faker $faker) {
+    return [
+        'ulid' => Ulid::generate(),
+        'custom_ulid' => Ulid::generate(),
+        'title' => $faker->sentence,
+    ];
+});
+
+$factory->define(MultipleUlidRouteBoundPost::class, function (Faker $faker) {
+    return [
+        'ulid' => Ulid::generate(),
+        'custom_ulid' => Ulid::generate(),
+        'title' => $faker->sentence,
+    ];
+});
diff --git a/tests/database/factories/UuidCommentFactory.php b/tests/database/factories/UuidCommentFactory.php
new file mode 100644
index 0000000..b57c56b
--- /dev/null
+++ b/tests/database/factories/UuidCommentFactory.php
@@ -0,0 +1,14 @@
+<?php
+
+/** @var \Illuminate\Database\Eloquent\Factory $factory */
+
+use Faker\Generator as Faker;
+use Tests\Fixtures\Uuid\Comment;
+use Tests\Fixtures\Uuid\Post;
+
+$factory->define(Comment::class, function (Faker $faker) {
+    return [
+        'post_id' => factory(Post::class),
+        'body' => $faker->sentence,
+    ];
+});
diff --git a/tests/database/factories/PostFactory.php b/tests/database/factories/UuidPostFactory.php
similarity index 83%
rename from tests/database/factories/PostFactory.php
rename to tests/database/factories/UuidPostFactory.php
index 52f102e..9a495e9 100644
--- a/tests/database/factories/PostFactory.php
+++ b/tests/database/factories/UuidPostFactory.php
@@ -3,15 +3,15 @@
 /** @var \Illuminate\Database\Eloquent\Factory $factory */
 
 use Faker\Generator as Faker;
-use Tests\Fixtures\CustomCastUuidPost;
-use Tests\Fixtures\CustomUuidPost;
-use Tests\Fixtures\CustomUuidRouteBoundPost;
-use Tests\Fixtures\EfficientUuidPost;
-use Tests\Fixtures\MultipleUuidPost;
-use Tests\Fixtures\MultipleUuidRouteBoundPost;
-use Tests\Fixtures\OrderedPost;
-use Tests\Fixtures\Post;
-use Tests\Fixtures\UuidRouteBoundPost;
+use Tests\Fixtures\Uuid\CustomCastUuidPost;
+use Tests\Fixtures\Uuid\CustomUuidPost;
+use Tests\Fixtures\Uuid\CustomUuidRouteBoundPost;
+use Tests\Fixtures\Uuid\EfficientUuidPost;
+use Tests\Fixtures\Uuid\MultipleUuidPost;
+use Tests\Fixtures\Uuid\MultipleUuidRouteBoundPost;
+use Tests\Fixtures\Uuid\OrderedPost;
+use Tests\Fixtures\Uuid\Post;
+use Tests\Fixtures\Uuid\UuidRouteBoundPost;
 
 $factory->define(CustomCastUuidPost::class, function (Faker $faker) {
     return [