diff --git a/config/install/dropzonejs.settings.yml b/config/install/dropzonejs.settings.yml
index 2bd0197..644eb44 100644
--- a/config/install/dropzonejs.settings.yml
+++ b/config/install/dropzonejs.settings.yml
@@ -1 +1,2 @@
 tmp_upload_scheme: temporary
+upload_timeout_ms: 60000
diff --git a/config/schema/dropzonejs.schema.yml b/config/schema/dropzonejs.schema.yml
index 35eb9d7..de76d9c 100644
--- a/config/schema/dropzonejs.schema.yml
+++ b/config/schema/dropzonejs.schema.yml
@@ -5,3 +5,6 @@ dropzonejs.settings:
     tmp_upload_scheme:
       type: string
       label: 'Upload scheme'
+    upload_timeout_ms:
+      type: integer
+      label: 'Upload timeout'
diff --git a/dropzonejs.install b/dropzonejs.install
index 18e43fd..6a32c63 100644
--- a/dropzonejs.install
+++ b/dropzonejs.install
@@ -51,3 +51,14 @@ function dropzonejs_update_8001() {
   $config->set('tmp_upload_scheme', 'temporary');
   $config->save(TRUE);
 }
+
+/**
+ * Set default value for upload timeout.
+ */
+function dropzonejs_update_8002() {
+  \Drupal::configFactory()
+    ->getEditable('dropzonejs.settings')
+    ->clear('upload_timeout_ms')
+    ->set('upload_timeout_ms', 60000)
+    ->save(TRUE);
+}
diff --git a/src/Element/DropzoneJs.php b/src/Element/DropzoneJs.php
index ead6be0..fbfb2f1 100644
--- a/src/Element/DropzoneJs.php
+++ b/src/Element/DropzoneJs.php
@@ -137,6 +137,7 @@ class DropzoneJs extends FormElement {
           'dictDefaultMessage' => Html::escape($element['#dropzone_description']),
           'acceptedFiles' => '.' . str_replace(' ', ',.', self::getValidExtensions($element)),
           'maxFiles' => $element['#max_files'],
+          'timeout' => \Drupal::configFactory()->get('dropzonejs.settings')->get('upload_timeout_ms'),
         ],
       ],
     ];