diff --git a/assets/config.php b/assets/config.php
index 7aff2b65..2827532a 100644
--- a/assets/config.php
+++ b/assets/config.php
@@ -215,4 +215,12 @@ return [
         '--class' => 'DatabaseSeeder', // root seeder class
         // '--force' => true,
     ],
+
+    /**
+     * Single-database tenancy config.
+     */
+    'single_db' => [
+        /** The name of the column used by models with the BelongsToTenant trait. */
+        'tenant_id_column' => 'tenant_id',
+    ],
 ];
diff --git a/phpunit.xml b/phpunit.xml
index 28fc8a08..9d2b9339 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -35,4 +35,4 @@
         <log type="coverage-clover" target="coverage/phpunit/clover.xml" showUncoveredFiles="true"/>
         <log type="coverage-html" target="coverage/phpunit/html" lowUpperBound="35" highLowerBound="70"/>
     </logging>
-</phpunit>
\ No newline at end of file
+</phpunit>
diff --git a/src/Database/Concerns/BelongsToTenant.php b/src/Database/Concerns/BelongsToTenant.php
index ade966a8..23c66332 100644
--- a/src/Database/Concerns/BelongsToTenant.php
+++ b/src/Database/Concerns/BelongsToTenant.php
@@ -12,11 +12,9 @@ use Stancl\Tenancy\Database\TenantScope;
  */
 trait BelongsToTenant
 {
-    public static $tenantIdColumn = 'tenant_id';
-
     public function tenant()
     {
-        return $this->belongsTo(config('tenancy.tenant_model'), BelongsToTenant::$tenantIdColumn);
+        return $this->belongsTo(config('tenancy.tenant_model'), config('tenancy.single_db.tenant_id_column'));
     }
 
     public static function bootBelongsToTenant(): void
@@ -24,9 +22,9 @@ trait BelongsToTenant
         static::addGlobalScope(new TenantScope);
 
         static::creating(function ($model) {
-            if (! $model->getAttribute(BelongsToTenant::$tenantIdColumn) && ! $model->relationLoaded('tenant')) {
+            if (! $model->getAttribute(config('tenancy.single_db.tenant_id_column')) && ! $model->relationLoaded('tenant')) {
                 if (tenancy()->initialized) {
-                    $model->setAttribute(BelongsToTenant::$tenantIdColumn, tenant()->getTenantKey());
+                    $model->setAttribute(config('tenancy.single_db.tenant_id_column'), tenant()->getTenantKey());
                     $model->setRelation('tenant', tenant());
                 }
             }
diff --git a/src/Database/Concerns/HasScopedValidationRules.php b/src/Database/Concerns/HasScopedValidationRules.php
index ae5c7fc7..8288f2e3 100644
--- a/src/Database/Concerns/HasScopedValidationRules.php
+++ b/src/Database/Concerns/HasScopedValidationRules.php
@@ -11,11 +11,11 @@ trait HasScopedValidationRules
 {
     public function unique($table, $column = 'NULL')
     {
-        return (new Unique($table, $column))->where(BelongsToTenant::$tenantIdColumn, $this->getTenantKey());
+        return (new Unique($table, $column))->where(config('tenancy.single_db.tenant_id_column'), $this->getTenantKey());
     }
 
     public function exists($table, $column = 'NULL')
     {
-        return (new Exists($table, $column))->where(BelongsToTenant::$tenantIdColumn, $this->getTenantKey());
+        return (new Exists($table, $column))->where(config('tenancy.single_db.tenant_id_column'), $this->getTenantKey());
     }
 }
diff --git a/src/Database/Concerns/InvalidatesResolverCache.php b/src/Database/Concerns/InvalidatesResolverCache.php
index 82a85997..fee3a076 100644
--- a/src/Database/Concerns/InvalidatesResolverCache.php
+++ b/src/Database/Concerns/InvalidatesResolverCache.php
@@ -11,7 +11,7 @@ use Stancl\Tenancy\Resolvers\Contracts\CachedTenantResolver;
 trait InvalidatesResolverCache
 {
     /** @var array<class-string<CachedTenantResolver>> */
-    public static $resolvers = [
+    public static $resolvers = [ // todo@deprecated, move this to a config key? related to a todo in InvalidatesTenantsResolverCache
         Resolvers\DomainTenantResolver::class,
         Resolvers\PathTenantResolver::class,
         Resolvers\RequestDataTenantResolver::class,
diff --git a/src/Database/TenantScope.php b/src/Database/TenantScope.php
index 8b887ac0..43214959 100644
--- a/src/Database/TenantScope.php
+++ b/src/Database/TenantScope.php
@@ -17,7 +17,7 @@ class TenantScope implements Scope
             return;
         }
 
-        $builder->where($model->qualifyColumn(BelongsToTenant::$tenantIdColumn), tenant()->getTenantKey());
+        $builder->where($model->qualifyColumn(config('tenancy.single_db.tenant_id_column')), tenant()->getTenantKey());
     }
 
     public function extend(Builder $builder): void
diff --git a/tests/SingleDatabaseTenancyTest.php b/tests/SingleDatabaseTenancyTest.php
index 8914a6d7..ec0a0edf 100644
--- a/tests/SingleDatabaseTenancyTest.php
+++ b/tests/SingleDatabaseTenancyTest.php
@@ -13,8 +13,6 @@ use Stancl\Tenancy\Database\Concerns\HasScopedValidationRules;
 use Stancl\Tenancy\Tests\Etc\Tenant as TestTenant;
 
 beforeEach(function () {
-    BelongsToTenant::$tenantIdColumn = 'tenant_id';
-
     Schema::create('posts', function (Blueprint $table) {
         $table->increments('id');
         $table->string('text');
@@ -144,7 +142,7 @@ test('tenant id is not auto added when creating primary resources in central con
 });
 
 test('tenant id column name can be customized', function () {
-    BelongsToTenant::$tenantIdColumn = 'team_id';
+    config(['tenancy.single_db.tenant_id_column' => 'team_id']);
 
     Schema::drop('comments');
     Schema::drop('posts');