diff --git a/app/views/update/index.phtml b/app/views/update/index.phtml
index 2210b9520..2e24b3086 100644
--- a/app/views/update/index.phtml
+++ b/app/views/update/index.phtml
@@ -72,7 +72,7 @@
 	<?php if ($this->update_to_apply) { ?>
 	<div class="form-group form-actions">
 		<div class="group-controls">
-			<a class="btn btn-important btn-state1" href="<?= _url('update', 'apply') ?>" data-state2-id="button-update-loading"><?= _t('admin.update.apply') ?></a>
+			<a class="btn btn-attention btn-state1" href="<?= _url('update', 'apply') ?>" data-state2-id="button-update-loading"><?= _t('admin.update.apply') ?></a>
 			<span class="btn btn-state2" id="button-update-loading"><?= _t('admin.update.loading') ?></span>
 		</div>
 	</div>