diff --git a/src/Blueprint.php b/src/Blueprint.php
index d14f245c..3d2f916a 100644
--- a/src/Blueprint.php
+++ b/src/Blueprint.php
@@ -65,8 +65,8 @@ public function parse($content, $strip_dashes = true)
         );
 
         $content = preg_replace_callback(
-            '/^(\s+)uuid(: true)?$/mi',
-            fn ($matches) => $matches[1] . 'id: uuid primary',
+            '/^(\s+)(ulid|uuid)(: true)?$/mi',
+            fn ($matches) => $matches[1] . 'id: ' . $matches[2] . ' primary',
             $content
         );
 
diff --git a/src/Generators/FactoryGenerator.php b/src/Generators/FactoryGenerator.php
index 87f76d35..04d5ffa1 100644
--- a/src/Generators/FactoryGenerator.php
+++ b/src/Generators/FactoryGenerator.php
@@ -110,7 +110,7 @@ protected function buildDefinition(Model $model): string
                     $definition .= sprintf('%s::factory()->create()->%s', $class, $key);
                     $definition .= ',' . PHP_EOL;
                 }
-            } elseif ($column->dataType() === 'id' || ($column->dataType() === 'uuid' && Str::endsWith($column->name(), '_id'))) {
+            } elseif ($column->dataType() === 'id' || (in_array($column->dataType(), ['uuid', 'ulid']) && Str::endsWith($column->name(), '_id'))) {
                 $name = Str::beforeLast($column->name(), '_id');
                 $class = Str::studly($column->attributes()[0] ?? $name);
                 $reference = $this->fullyQualifyModelReference($class) ?? $model;
@@ -156,6 +156,10 @@ protected function buildDefinition(Model $model): string
                 $definition .= str_repeat(self::INDENT, 3) . "'{$column->name()}' => ";
                 $definition .= 'Str::random(10)';
                 $definition .= ',' . PHP_EOL;
+            } elseif ($column->dataType() === 'ulid') {
+                $definition .= str_repeat(self::INDENT, 3) . "'{$column->name()}' => ";
+                $definition .= '(string) Str::ulid()';
+                $definition .= ',' . PHP_EOL;
             } else {
                 $definition .= str_repeat(self::INDENT, 3) . "'{$column->name()}' => ";
 
diff --git a/src/Generators/MigrationGenerator.php b/src/Generators/MigrationGenerator.php
index 0910e2fa..bf4cb6c1 100644
--- a/src/Generators/MigrationGenerator.php
+++ b/src/Generators/MigrationGenerator.php
@@ -71,7 +71,7 @@ public function output(Tree $tree, $overwrite = false): array
             if (!empty($model->pivotTables())) {
                 foreach ($model->pivotTables() as $pivotSegments) {
                     $pivotTableName = $this->getPivotTableName($pivotSegments);
-                    $tables['pivotTableNames'][$pivotTableName] = $this->populatePivotStub($stub, $pivotSegments);
+                    $tables['pivotTableNames'][$pivotTableName] = $this->populatePivotStub($stub, $pivotSegments, $tree->models());
                 }
             }
 
@@ -128,10 +128,10 @@ protected function populateStub(string $stub, Model $model): string
         return $stub;
     }
 
-    protected function populatePivotStub(string $stub, array $segments): string
+    protected function populatePivotStub(string $stub, array $segments, array $models = []): string
     {
         $stub = str_replace('{{ table }}', $this->getPivotTableName($segments), $stub);
-        $stub = str_replace('{{ definition }}', $this->buildPivotTableDefinition($segments), $stub);
+        $stub = str_replace('{{ definition }}', $this->buildPivotTableDefinition($segments, $models), $stub);
 
         if ($this->hasForeignKeyConstraints) {
             $stub = $this->disableForeignKeyConstraints($stub);
@@ -194,7 +194,7 @@ protected function buildDefinition(Model $model): string
                 );
             }
 
-            if (!empty($columnAttributes) && !$this->isIdOrUuid($column->dataType())) {
+            if (!empty($columnAttributes) && !$this->isIdColumnType($column->dataType())) {
                 $column_definition .= ', ';
 
                 if (in_array($column->dataType(), ['set', 'enum'])) {
@@ -221,7 +221,7 @@ protected function buildDefinition(Model $model): string
                     $column->modifiers()
                 );
 
-                if ($this->isIdOrUuid($column->dataType())) {
+                if ($this->isIdColumnType($column->dataType())) {
                     $column_definition = $foreign;
                     $foreign = '';
                 }
@@ -232,7 +232,7 @@ protected function buildDefinition(Model $model): string
                     || (is_array($modifier) && key($modifier) === 'onDelete')
                     || (is_array($modifier) && key($modifier) === 'onUpdate')
                     || $modifier === 'foreign'
-                    || ($modifier === 'nullable' && $this->isIdOrUuid($column->dataType()))
+                        || ($modifier === 'nullable' && $this->isIdColumnType($column->dataType()))
                 );
             }
 
@@ -290,10 +290,9 @@ protected function buildDefinition(Model $model): string
         return trim($definition);
     }
 
-    protected function buildPivotTableDefinition(array $segments): string
+    protected function buildPivotTableDefinition(array $segments, array $models = []): string
     {
         $definition = '';
-
         foreach ($segments as $segment) {
             $column = Str::before(Str::snake($segment), ':');
             $references = 'id';
@@ -304,13 +303,49 @@ protected function buildPivotTableDefinition(array $segments): string
                 $this->hasForeignKeyConstraints = true;
                 $definition .= $this->buildForeignKey($foreign, $on, 'id') . ';' . PHP_EOL;
             } else {
-                $definition .= self::INDENT . '$table->foreignId(\'' . $foreign . '\');' . PHP_EOL;
+                $definition .= $this->generateForeignKeyDefinition($segment, $foreign, $models);
             }
         }
 
         return trim($definition);
     }
 
+    /**
+     * Generates the foreign key definition for a pivot table.
+     *
+     * This function generates the foreign key definition for a pivot table in a migration file.
+     * It checks if the model exists and its name matches the pivot table segment. If it does,
+     * it determines the data type of the primary key and appends the appropriate method call
+     * to the `$definition` string. If the model does not exist or its name does not match the
+     * pivot table segment, it defaults to appending `$table->foreignId(\'' . $foreignKeyColumnName . '\');`
+     * to the `$definition` string. The function then returns the `$definition` string.
+     *
+     * @param  string  $pivotTableSegment The segment of the pivot table. e.g 'dive_job' it would be 'Dive' or 'Job'.
+     * @param  string  $foreignKeyColumnName The name of the foreign key column. e.g 'dive_id' or 'job_id'.
+     * @param  array  $models An array of models. e.g ['Dive' => $diveModel, 'Job' => $jobModel].
+     * @return string The foreign key definition. e.g '$table->foreignUlid('dive_id');'
+     */
+    protected function generateForeignKeyDefinition(string $pivotTableSegment, string $foreignKeyColumnName, array $models = []): string
+    {
+        $definition = self::INDENT;
+        if (count($models) > 0 && array_key_exists($pivotTableSegment, $models)) {
+            $model = $models[$pivotTableSegment];
+            if ($model->name() === $pivotTableSegment) {
+                $dataType = $model->columns()[$model->primaryKey()]->dataType();
+                $definition .= match ($dataType) {
+                    'ulid' => '$table->foreignUlid(\'' . $foreignKeyColumnName . '\');',
+                    'uuid' => '$table->foreignUuid(\'' . $foreignKeyColumnName . '\');',
+                    default => '$table->foreignId(\'' . $foreignKeyColumnName . '\');',
+                };
+            }
+        } else {
+            $definition .= '$table->foreignId(\'' . $foreignKeyColumnName . '\');';
+        }
+        $definition .= PHP_EOL;
+
+        return $definition;
+    }
+
     protected function buildPolyTableDefinition(string $parentTable): string
     {
         $definition = '';
@@ -347,7 +382,7 @@ protected function buildForeignKey(string $column_name, ?string $on, string $typ
             $column = Str::afterLast($column_name, '_');
         }
 
-        if ($this->isIdOrUuid($type) && !empty($attributes)) {
+        if ($this->isIdColumnType($type) && !empty($attributes)) {
             $table = Str::lower(Str::plural($attributes[0]));
         }
 
@@ -364,12 +399,12 @@ protected function buildForeignKey(string $column_name, ?string $on, string $typ
             $on_update_suffix = self::ON_UPDATE_CLAUSES[$on_update_clause];
         }
 
-        if ($this->isIdOrUuid($type)) {
-            if ($type === 'uuid') {
-                $method = 'foreignUuid';
-            } else {
-                $method = 'foreignId';
-            }
+        if ($this->isIdColumnType($type)) {
+            $method = match ($type) {
+                'ulid' => 'foreignUlid',
+                'uuid' => 'foreignUuid',
+                default => 'foreignId',
+            };
 
             $prefix = in_array('nullable', $modifiers)
                 ? '$table->' . "{$method}('{$column_name}')->nullable()"
@@ -381,7 +416,6 @@ protected function buildForeignKey(string $column_name, ?string $on, string $typ
             if ($on_update_clause === 'cascade') {
                 $on_update_suffix = '->cascadeOnUpdate()';
             }
-
             if ($column_name === Str::singular($table) . '_' . $column) {
                 return self::INDENT . "{$prefix}->constrained(){$on_delete_suffix}{$on_update_suffix}";
             }
@@ -469,7 +503,7 @@ private function shouldAddForeignKeyConstraint(\Blueprint\Models\Column $column)
         }
 
         return config('blueprint.use_constraints')
-            && ($this->isIdOrUuid($column->dataType()) && Str::endsWith($column->name(), '_id'));
+            && ($this->isIdColumnType($column->dataType()) && Str::endsWith($column->name(), '_id'));
     }
 
     protected function isNumericDefault(string $type, string $value): bool
@@ -486,8 +520,8 @@ protected function isNumericDefault(string $type, string $value): bool
             ->contains(fn ($value) => strtolower($value) === strtolower($type));
     }
 
-    protected function isIdOrUuid(string $dataType): bool
+    protected function isIdColumnType(string $dataType): bool
     {
-        return in_array($dataType, ['id', 'uuid']);
+        return in_array($dataType, ['id', 'ulid', 'uuid']);
     }
 }
diff --git a/src/Generators/ModelGenerator.php b/src/Generators/ModelGenerator.php
index 1f7cabef..7b9bddec 100644
--- a/src/Generators/ModelGenerator.php
+++ b/src/Generators/ModelGenerator.php
@@ -90,6 +90,16 @@ protected function buildClassPhpDoc(Model $model): string
                 $phpDoc .= PHP_EOL;
                 $phpDoc .= ' * @property string|null $' . $column->name() . '_type';
                 $phpDoc .= PHP_EOL;
+            } elseif ($column->dataType() === 'ulidMorphs') {
+                $phpDoc .= ' * @property string $' . $column->name() . '_id';
+                $phpDoc .= PHP_EOL;
+                $phpDoc .= ' * @property string $' . $column->name() . '_type';
+                $phpDoc .= PHP_EOL;
+            } elseif ($column->dataType() === 'nullableUlidMorphs') {
+                $phpDoc .= ' * @property string|null $' . $column->name() . '_id';
+                $phpDoc .= PHP_EOL;
+                $phpDoc .= ' * @property string|null $' . $column->name() . '_type';
+                $phpDoc .= PHP_EOL;
             } elseif ($column->dataType() === 'uuidMorphs') {
                 $phpDoc .= ' * @property string $' . $column->name() . '_id';
                 $phpDoc .= PHP_EOL;
@@ -278,6 +288,11 @@ protected function addTraits(Model $model, $stub): string
             $traits[] = 'SoftDeletes';
         }
 
+        if ($model->usesUlids()) {
+            $this->addImport($model, 'Illuminate\\Database\\Eloquent\\Concerns\\HasUlids');
+            $traits[] = 'HasUlids';
+        }
+
         if ($model->usesUuids()) {
             $this->addImport($model, 'Illuminate\\Database\\Eloquent\\Concerns\\HasUuids');
             $traits[] = 'HasUuids';
diff --git a/src/Lexers/ModelLexer.php b/src/Lexers/ModelLexer.php
index dcf195fb..f4d2f268 100644
--- a/src/Lexers/ModelLexer.php
+++ b/src/Lexers/ModelLexer.php
@@ -81,6 +81,7 @@ class ModelLexer implements Lexer
         'unsignedmediuminteger' => 'unsignedMediumInteger',
         'unsignedsmallinteger' => 'unsignedSmallInteger',
         'unsignedtinyinteger' => 'unsignedTinyInteger',
+        'ulid' => 'ulid',
         'uuid' => 'uuid',
         'year' => 'year',
     ];
diff --git a/src/Models/Model.php b/src/Models/Model.php
index cee66fd7..e9cc3723 100644
--- a/src/Models/Model.php
+++ b/src/Models/Model.php
@@ -96,6 +96,11 @@ public function usesPrimaryKey(): bool
         return $this->primaryKey !== false;
     }
 
+    public function usesUlids(): bool
+    {
+        return $this->usesPrimaryKey() && $this->columns[$this->primaryKey]->dataType() === 'ulid';
+    }
+
     public function usesUuids(): bool
     {
         return $this->usesPrimaryKey() && $this->columns[$this->primaryKey]->dataType() === 'uuid';
diff --git a/tests/Feature/BlueprintTest.php b/tests/Feature/BlueprintTest.php
index 2cb1d459..659bcb9d 100644
--- a/tests/Feature/BlueprintTest.php
+++ b/tests/Feature/BlueprintTest.php
@@ -117,6 +117,22 @@ public function it_parses_shorthands(): void
         ], $this->subject->parse($blueprint));
     }
 
+    #[Test]
+    public function it_parses_ulid_shorthand(): void
+    {
+        $blueprint = $this->fixture('drafts/ulid-shorthand.yaml');
+
+        $this->assertEquals([
+            'models' => [
+                'Person' => [
+                    'id' => 'ulid primary',
+                    'timestamps' => 'timestamps',
+                    'company_id' => 'ulid',
+                ],
+            ],
+        ], $this->subject->parse($blueprint));
+    }
+
     #[Test]
     public function it_parses_uuid_shorthand(): void
     {
diff --git a/tests/Feature/Generators/MigrationGeneratorTest.php b/tests/Feature/Generators/MigrationGeneratorTest.php
index b29d8938..c4330475 100644
--- a/tests/Feature/Generators/MigrationGeneratorTest.php
+++ b/tests/Feature/Generators/MigrationGeneratorTest.php
@@ -150,6 +150,35 @@ public function output_creates_constraints_for_unconventional_foreign_reference_
         $this->assertEquals(['created' => [$model_migration]], $this->subject->output($tree));
     }
 
+    #[Test]
+    public function using_ulids_output_also_creates_pivot_table_migration(): void
+    {
+        $this->filesystem->expects('stub')
+            ->with('migration.stub')
+            ->andReturn($this->stub('migration.stub'));
+
+        $now = Carbon::now();
+        Carbon::setTestNow($now);
+
+        $journey_model_migration = str_replace('timestamp', $now->copy()->subSeconds(2)->format('Y_m_d_His'), 'database/migrations/timestamp_create_journeys_table.php');
+        $diary_model_migration = str_replace('timestamp', $now->copy()->subSecond()->format('Y_m_d_His'), 'database/migrations/timestamp_create_diaries_table.php');
+        $pivot_migration = str_replace('timestamp', $now->format('Y_m_d_His'), 'database/migrations/timestamp_create_diary_journey_table.php');
+
+        $this->filesystem->expects('exists')->times(3)->andReturn(false);
+
+        $this->filesystem->expects('put')
+            ->with($journey_model_migration, $this->fixture('migrations/belongs-to-many-using-ulids-journey-model.php'));
+        $this->filesystem->expects('put')
+            ->with($diary_model_migration, $this->fixture('migrations/belongs-to-many-using-ulids-diary-model.php'));
+        $this->filesystem->expects('put')
+            ->with($pivot_migration, $this->fixture('migrations/belongs-to-many-pivot-using-ulids.php'));
+
+        $tokens = $this->blueprint->parse($this->fixture('drafts/belongs-to-many-using-ulids.yaml'));
+        $tree = $this->blueprint->analyze($tokens);
+
+        $this->assertEquals(['created' => [$journey_model_migration, $diary_model_migration, $pivot_migration]], $this->subject->output($tree));
+    }
+
     #[Test]
     public function output_also_creates_pivot_table_migration(): void
     {
@@ -527,6 +556,9 @@ public static function modelTreeDataProvider()
             ['drafts/optimize.yaml', 'database/migrations/timestamp_create_optimizes_table.php', 'migrations/optimize.php'],
             ['drafts/model-key-constraints.yaml', 'database/migrations/timestamp_create_orders_table.php', 'migrations/model-key-constraints.php'],
             ['drafts/disable-auto-columns.yaml', 'database/migrations/timestamp_create_states_table.php', 'migrations/disable-auto-columns.php'],
+            ['drafts/ulid-shorthand.yaml', 'database/migrations/timestamp_create_people_table.php', 'migrations/ulid-shorthand.php'],
+            ['drafts/ulid-shorthand-invalid-relationship.yaml', 'database/migrations/timestamp_create_age_cohorts_table.php', 'migrations/ulid-shorthand-invalid-relationship.php'],
+            ['drafts/ulid-without-relationship.yaml', 'database/migrations/timestamp_create_vats_table.php', 'migrations/ulid-without-relationship.php'],
             ['drafts/uuid-shorthand.yaml', 'database/migrations/timestamp_create_people_table.php', 'migrations/uuid-shorthand.php'],
             ['drafts/uuid-shorthand-invalid-relationship.yaml', 'database/migrations/timestamp_create_age_cohorts_table.php', 'migrations/uuid-shorthand-invalid-relationship.php'],
             ['drafts/uuid-without-relationship.yaml', 'database/migrations/timestamp_create_vats_table.php', 'migrations/uuid-without-relationship.php'],
diff --git a/tests/Feature/Generators/ModelGeneratorTest.php b/tests/Feature/Generators/ModelGeneratorTest.php
index eb8b2b6f..52f88a17 100644
--- a/tests/Feature/Generators/ModelGeneratorTest.php
+++ b/tests/Feature/Generators/ModelGeneratorTest.php
@@ -642,6 +642,7 @@ public static function modelTreeDataProvider(): array
             ['drafts/uuid-shorthand-invalid-relationship.yaml', 'app/Models/AgeCohort.php', 'models/uuid-shorthand-invalid-relationship.php'],
             ['drafts/model-with-meta.yaml', 'app/Models/Post.php', 'models/model-with-meta.php'],
             ['drafts/infer-belongsto.yaml', 'app/Models/Conference.php', 'models/infer-belongsto.php'],
+            ['drafts/model-with-ulid-id.yaml', 'app/Models/User.php', 'models/model-with-ulid-trait.php'],
             ['drafts/model-with-uuid-id.yaml', 'app/Models/User.php', 'models/model-with-uuid-trait.php'],
         ];
     }
diff --git a/tests/fixtures/drafts/all-column-types.yaml b/tests/fixtures/drafts/all-column-types.yaml
index 123d44fe..7311b6db 100644
--- a/tests/fixtures/drafts/all-column-types.yaml
+++ b/tests/fixtures/drafts/all-column-types.yaml
@@ -25,11 +25,13 @@ models:
     mediumInteger: mediumInteger
     mediumText: mediumText
     morphs: morphs
+    ulidMorphs: ulidMorphs
     uuidMorphs: uuidMorphs
     multiLineString: multiLineString
     multiPoint: multiPoint
     multiPolygon: multiPolygon
     nullableMorphs: nullableMorphs
+    nullableUlidMorphs: nullableUuidMorphs
     nullableUuidMorphs: nullableUuidMorphs
     nullableTimestamps: nullableTimestamps
     point: point
@@ -50,5 +52,6 @@ models:
     unsignedMediumInteger: unsignedMediumInteger
     unsignedSmallInteger: unsignedSmallInteger
     unsignedTinyInteger: unsignedTinyInteger
+    ulid: ulid
     uuid: uuid
     year: year
diff --git a/tests/fixtures/drafts/belongs-to-many-using-ulids.yaml b/tests/fixtures/drafts/belongs-to-many-using-ulids.yaml
new file mode 100644
index 00000000..7ec717f3
--- /dev/null
+++ b/tests/fixtures/drafts/belongs-to-many-using-ulids.yaml
@@ -0,0 +1,11 @@
+models:
+  Journey:
+    ulid
+    name: string
+    user_id: ulid foreign
+    relationships:
+      belongsToMany: Diary
+  Diary:
+    ulid
+    relationships:
+      belongsToMany: Journey
diff --git a/tests/fixtures/drafts/model-key-constraints.yaml b/tests/fixtures/drafts/model-key-constraints.yaml
index ce109f72..4cb9f9ba 100644
--- a/tests/fixtures/drafts/model-key-constraints.yaml
+++ b/tests/fixtures/drafts/model-key-constraints.yaml
@@ -6,3 +6,5 @@ models:
     sub_id: uuid foreign:subscription
     expires_at: timestamp nullable index
     meta: json default:'[]'
+    customer_id: ulid foreign
+    tran_id: ulid foreign:transaction
diff --git a/tests/fixtures/drafts/model-with-ulid-id.yaml b/tests/fixtures/drafts/model-with-ulid-id.yaml
new file mode 100644
index 00000000..d0b8183b
--- /dev/null
+++ b/tests/fixtures/drafts/model-with-ulid-id.yaml
@@ -0,0 +1,5 @@
+models:
+  User:
+    ulid
+    name: string
+    base_pay: decimal:10,2
diff --git a/tests/fixtures/drafts/ulid-shorthand-invalid-relationship.yaml b/tests/fixtures/drafts/ulid-shorthand-invalid-relationship.yaml
new file mode 100644
index 00000000..9c0e431a
--- /dev/null
+++ b/tests/fixtures/drafts/ulid-shorthand-invalid-relationship.yaml
@@ -0,0 +1,9 @@
+models:
+  AgeCohort:
+    id
+    timestamps
+    name: string:100
+    description: string:500 nullable
+    min_age: integer nullable
+    max_age: integer nullable
+    ulid: ulid unique
diff --git a/tests/fixtures/drafts/ulid-shorthand.yaml b/tests/fixtures/drafts/ulid-shorthand.yaml
new file mode 100644
index 00000000..f892cec2
--- /dev/null
+++ b/tests/fixtures/drafts/ulid-shorthand.yaml
@@ -0,0 +1,5 @@
+models:
+  Person:
+    ulid
+    company_id: ulid
+    timestamps
diff --git a/tests/fixtures/drafts/ulid-without-relationship.yaml b/tests/fixtures/drafts/ulid-without-relationship.yaml
new file mode 100644
index 00000000..688eefd0
--- /dev/null
+++ b/tests/fixtures/drafts/ulid-without-relationship.yaml
@@ -0,0 +1,3 @@
+models:
+  Vat:
+    ulid: ulid
diff --git a/tests/fixtures/factories/all-column-types.php b/tests/fixtures/factories/all-column-types.php
index 741b3ad8..d45699b2 100644
--- a/tests/fixtures/factories/all-column-types.php
+++ b/tests/fixtures/factories/all-column-types.php
@@ -46,6 +46,7 @@ public function definition(): array
             'mediumText' => $this->faker->text(),
             'morphs_id' => $this->faker->randomDigitNotNull(),
             'morphs_type' => $this->faker->word(),
+            'ulidMorphs' => $this->faker->word(),
             'uuidMorphs' => $this->faker->word(),
             'multiLineString' => $this->faker->word(),
             'multiPoint' => $this->faker->word(),
@@ -68,6 +69,7 @@ public function definition(): array
             'unsignedMediumInteger' => $this->faker->randomNumber(),
             'unsignedSmallInteger' => $this->faker->randomNumber(),
             'unsignedTinyInteger' => $this->faker->randomDigitNotNull(),
+            'ulid' => (string) Str::ulid(),
             'uuid' => $this->faker->uuid(),
             'year' => $this->faker->year(),
         ];
diff --git a/tests/fixtures/factories/model-key-constraints.php b/tests/fixtures/factories/model-key-constraints.php
index 3cd3dc09..2e270d11 100644
--- a/tests/fixtures/factories/model-key-constraints.php
+++ b/tests/fixtures/factories/model-key-constraints.php
@@ -4,8 +4,10 @@
 
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Str;
+use App\Models\Customer;
 use App\Models\Order;
 use App\Models\Subscription;
+use App\Models\Transaction;
 use App\Models\User;
 
 class OrderFactory extends Factory
@@ -28,6 +30,8 @@ public function definition(): array
             'sub_id' => Subscription::factory(),
             'expires_at' => $this->faker->dateTime(),
             'meta' => '[]',
+            'customer_id' => Customer::factory(),
+            'tran_id' => Transaction::factory(),
         ];
     }
 }
diff --git a/tests/fixtures/migrations/belongs-to-many-pivot-using-ulids.php b/tests/fixtures/migrations/belongs-to-many-pivot-using-ulids.php
new file mode 100644
index 00000000..60445c38
--- /dev/null
+++ b/tests/fixtures/migrations/belongs-to-many-pivot-using-ulids.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::disableForeignKeyConstraints();
+
+        Schema::create('diary_journey', function (Blueprint $table) {
+            $table->foreignUlid('diary_id');
+            $table->foreignUlid('journey_id');
+        });
+
+        Schema::enableForeignKeyConstraints();
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('diary_journey');
+    }
+};
diff --git a/tests/fixtures/migrations/belongs-to-many-using-ulids-diary-model.php b/tests/fixtures/migrations/belongs-to-many-using-ulids-diary-model.php
new file mode 100644
index 00000000..96987a13
--- /dev/null
+++ b/tests/fixtures/migrations/belongs-to-many-using-ulids-diary-model.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::disableForeignKeyConstraints();
+
+        Schema::create('diaries', function (Blueprint $table) {
+            $table->ulid('id')->primary();
+            $table->timestamps();
+        });
+
+        Schema::enableForeignKeyConstraints();
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('diaries');
+    }
+};
diff --git a/tests/fixtures/migrations/belongs-to-many-using-ulids-journey-model.php b/tests/fixtures/migrations/belongs-to-many-using-ulids-journey-model.php
new file mode 100644
index 00000000..831e41fb
--- /dev/null
+++ b/tests/fixtures/migrations/belongs-to-many-using-ulids-journey-model.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::disableForeignKeyConstraints();
+
+        Schema::create('journeys', function (Blueprint $table) {
+            $table->ulid('id')->primary();
+            $table->string('name');
+            $table->foreignUlid('user_id')->constrained();
+            $table->timestamps();
+        });
+
+        Schema::enableForeignKeyConstraints();
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('journeys');
+    }
+};
diff --git a/tests/fixtures/migrations/model-key-constraints.php b/tests/fixtures/migrations/model-key-constraints.php
index 60834d68..0526a610 100644
--- a/tests/fixtures/migrations/model-key-constraints.php
+++ b/tests/fixtures/migrations/model-key-constraints.php
@@ -20,6 +20,8 @@ public function up(): void
             $table->foreignUuid('sub_id')->constrained('subscriptions');
             $table->timestamp('expires_at')->nullable()->index();
             $table->json('meta')->default('[]');
+            $table->foreignUlid('customer_id')->constrained();
+            $table->foreignUlid('tran_id')->constrained('transactions');
             $table->timestamps();
         });
 
diff --git a/tests/fixtures/migrations/ulid-shorthand-invalid-relationship.php b/tests/fixtures/migrations/ulid-shorthand-invalid-relationship.php
new file mode 100644
index 00000000..c72a0cd5
--- /dev/null
+++ b/tests/fixtures/migrations/ulid-shorthand-invalid-relationship.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('age_cohorts', function (Blueprint $table) {
+            $table->id();
+            $table->string('name', 100);
+            $table->string('description', 500)->nullable();
+            $table->integer('min_age')->nullable();
+            $table->integer('max_age')->nullable();
+            $table->ulid('ulid')->unique();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('age_cohorts');
+    }
+};
diff --git a/tests/fixtures/migrations/ulid-shorthand.php b/tests/fixtures/migrations/ulid-shorthand.php
new file mode 100644
index 00000000..482cb24b
--- /dev/null
+++ b/tests/fixtures/migrations/ulid-shorthand.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('people', function (Blueprint $table) {
+            $table->ulid('id')->primary();
+            $table->ulid('company_id');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('people');
+    }
+};
diff --git a/tests/fixtures/migrations/ulid-without-relationship.php b/tests/fixtures/migrations/ulid-without-relationship.php
new file mode 100644
index 00000000..f51c5750
--- /dev/null
+++ b/tests/fixtures/migrations/ulid-without-relationship.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('vats', function (Blueprint $table) {
+            $table->id();
+            $table->ulid('ulid');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('vats');
+    }
+};
diff --git a/tests/fixtures/models/all-column-types.php b/tests/fixtures/models/all-column-types.php
index be6427be..b8b8f227 100644
--- a/tests/fixtures/models/all-column-types.php
+++ b/tests/fixtures/models/all-column-types.php
@@ -39,11 +39,13 @@ class AllType extends Model
         'mediumInteger',
         'mediumText',
         'morphs',
+        'ulidMorphs',
         'uuidMorphs',
         'multiLineString',
         'multiPoint',
         'multiPolygon',
         'nullableMorphs',
+        'nullableUlidMorphs',
         'nullableUuidMorphs',
         'nullableTimestamps',
         'point',
@@ -64,6 +66,7 @@ class AllType extends Model
         'unsignedMediumInteger',
         'unsignedSmallInteger',
         'unsignedTinyInteger',
+        'ulid',
         'uuid',
         'year',
     ];
diff --git a/tests/fixtures/models/model-with-ulid-trait.php b/tests/fixtures/models/model-with-ulid-trait.php
new file mode 100644
index 00000000..5738e6ef
--- /dev/null
+++ b/tests/fixtures/models/model-with-ulid-trait.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUlids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class User extends Model
+{
+    use HasFactory, HasUlids;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = [
+        'name',
+        'base_pay',
+    ];
+
+    /**
+     * The attributes that should be cast to native types.
+     *
+     * @var array
+     */
+    protected $casts = [
+        'base_pay' => 'decimal:2',
+    ];
+}