diff --git a/app/Providers/AuthServiceProvider.php b/app/Providers/AuthServiceProvider.php
index 8eb85150b..5c7fb7ff6 100644
--- a/app/Providers/AuthServiceProvider.php
+++ b/app/Providers/AuthServiceProvider.php
@@ -28,8 +28,8 @@ class AuthServiceProvider extends ServiceProvider
 
         if(config('pixelfed.oauth_enabled')) {
             Passport::routes(null, ['middleware' => ['twofactor', \Fruitcake\Cors\HandleCors::class]]);
-            Passport::tokensExpireIn(now()->addDays(15));
-            Passport::refreshTokensExpireIn(now()->addDays(30));
+            Passport::tokensExpireIn(now()->addDays(config('instance.oauth.token_expiration')));
+            Passport::refreshTokensExpireIn(now()->addDays(config('instance.oauth.refresh_expiration')));
             Passport::enableImplicitGrant();
             if(config('instance.oauth.pat.enabled')) {
                 Passport::personalAccessClientId(config('instance.oauth.pat.id'));
diff --git a/config/instance.php b/config/instance.php
index e8047f3ec..489118f0e 100644
--- a/config/instance.php
+++ b/config/instance.php
@@ -55,6 +55,8 @@ return [
 	],
 
 	'oauth' => [
+		'token_expiration' => env('OAUTH_TOKEN_DAYS', 15),
+		'refresh_expiration' => env('OAUTH_REFRESH_DAYS', 30),
 		'pat' => [
 			'enabled' => env('OAUTH_PAT_ENABLED', false),
 			'id' 	  => env('OAUTH_PAT_ID'),