diff --git a/database/migrations/2017_01_01_112200_create_files_table.php b/database/migrations/2017_01_01_112200_create_files_table.php
index 45466e4..39b1926 100644
--- a/database/migrations/2017_01_01_112200_create_files_table.php
+++ b/database/migrations/2017_01_01_112200_create_files_table.php
@@ -11,7 +11,7 @@ public function up()
         Schema::create('files', function (Blueprint $table) {
             $table->id();
 
-            $table->unsignedBigInteger('type_id');
+            $table->bigInteger('type_id')->unsigned();
             $table->foreign('type_id')->references('id')->on('file_types');
 
             $table->nullableMorphs('attachable');
diff --git a/database/migrations/2017_01_01_112400_create_uploads_table.php b/database/migrations/2017_01_01_112400_create_uploads_table.php
index 7f4078b..0063b33 100644
--- a/database/migrations/2017_01_01_112400_create_uploads_table.php
+++ b/database/migrations/2017_01_01_112400_create_uploads_table.php
@@ -11,7 +11,7 @@ public function up()
         Schema::create('uploads', function (Blueprint $table) {
             $table->increments('id');
 
-            $table->unsignedBigInteger('file_id')->nullable()->unique();
+            $table->bigInteger('file_id')->unsigned()->nullable()->unique();
             $table->foreign('file_id')->references('id')->on('files')
                 ->onUpdate('restrict')->onDelete('restrict');
 
diff --git a/database/migrations/2017_01_01_112600_create_favorite_files_table.php b/database/migrations/2017_01_01_112600_create_favorite_files_table.php
index 2cd6688..6395d41 100644
--- a/database/migrations/2017_01_01_112600_create_favorite_files_table.php
+++ b/database/migrations/2017_01_01_112600_create_favorite_files_table.php
@@ -11,10 +11,10 @@ public function up()
         Schema::create('favorite_files', function (Blueprint $table) {
             $table->id();
 
-            $table->unsignedInteger('user_id')->index();
+            $table->integer('user_id')->unsigned()->index();
             $table->foreign('user_id')->references('id')->on('users');
 
-            $table->unsignedBigInteger('file_id')->index();
+            $table->bigInteger('file_id')->unsigned()->index();
             $table->foreign('file_id')->references('id')->on('files')
                 ->onUpdate('restrict')->onDelete('restrict');
 
diff --git a/tests/features/FileTest.php b/tests/features/FileTest.php
index 8f90a62..d93e3e5 100644
--- a/tests/features/FileTest.php
+++ b/tests/features/FileTest.php
@@ -126,7 +126,7 @@ private function createTestTable(): self
         Schema::create('attachable_models', function ($table) {
             $table->increments('id');
 
-            $table->unsignedBigInteger('file_id')->nullable();
+            $table->bigInteger('file_id')->unsigned()->nullable();
             $table->foreign('file_id')->references('id')->on('files')
                 ->onUpdate('restrict')->onDelete('restrict');