diff --git a/database/migrations/2019_04_24_000001_create_contracts_table.php b/database/migrations/2019_04_24_000001_create_contracts_table.php
index 7bcb9a490..ee0891003 100644
--- a/database/migrations/2019_04_24_000001_create_contracts_table.php
+++ b/database/migrations/2019_04_24_000001_create_contracts_table.php
@@ -15,7 +15,7 @@ class CreateContractsTable extends Migration
     {
         if(!Schema::hasTable('contracts')) {
             Schema::create('contracts', function(Blueprint $table) {
-                $table->increment('id')->unique();
+                $table->increments('id')->unique();
                 $table->string('title');
                 $table->date('date');
                 $table->text('body');
@@ -25,7 +25,7 @@ class CreateContractsTable extends Migration
 
         if(!Schema::hasTable('contract_bids')) {
             Schema::create('contract_bids', function(Blueprint $table) {
-                $table->increment('id')->unique();
+                $table->increments('id')->unique();
                 $table->integer('contract_id');
                 $table->decimal('bid');
                 $table->boolean('accepted');