diff --git a/dental-server/dental-client/public/version.txt b/dental-server/dental-client/public/version.txt
index 291d0de..2f1a5aa 100644
--- a/dental-server/dental-client/public/version.txt
+++ b/dental-server/dental-client/public/version.txt
@@ -1 +1 @@
-2.1.16
+2.1.17
diff --git a/dental-server/routes/system.js b/dental-server/routes/system.js
index 391d17f..b139fb4 100644
--- a/dental-server/routes/system.js
+++ b/dental-server/routes/system.js
@@ -185,6 +185,10 @@ router.post('/storage-config', async (req, res) => {
       ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value, updated_at = NOW()
     `, [configJson]);
 
+    // 3. CRÍTICO: recarregar a config no processo em execução, senão o cliente S3
+    // em memória continua usando as credenciais antigas (uploads falham com 403).
+    await storage.loadConfigFromDb();
+
     return res.json({ success: true, message: 'Configurações salvas com sucesso.' });
   } catch (error) {
     console.error('Erro ao salvar storage-config:', error);