diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
index e5e43bf431..7f9684c0de 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
@@ -319,9 +319,10 @@
 
 {%- block widget_attributes -%}
     id="{{ id }}" name="{{ full_name }}"
+    {%- if read_only %} readonly="readonly"{% endif -%}
     {%- if disabled %} disabled="disabled"{% endif -%}
     {%- if required %} required="required"{% endif -%}
-    {%- for attrname, attrvalue in attr -%}
+    {%- for attrname, attrvalue in attr if 'readonly' != attrname -%}
         {{- " " -}}
         {%- if attrname in ['placeholder', 'title'] -%}
             {{- attrname }}="{{ translation_domain is same as(false) ? attrvalue : attrvalue|trans({}, translation_domain) }}"
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/widget_attributes.html.php b/src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/widget_attributes.html.php
index 3fefa47c15..8e3e35e834 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/widget_attributes.html.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/widget_attributes.html.php
@@ -1,6 +1,8 @@
-id="<?php echo $view->escape($id) ?>" name="<?php echo $view->escape($full_name) ?>"<?php if ($disabled): ?> disabled="disabled"<?php endif ?>
+id="<?php echo $view->escape($id) ?>" name="<?php echo $view->escape($full_name) ?>"<?php if ($read_only): ?> readonly="readonly"<?php endif ?>
+<?php if ($disabled): ?> disabled="disabled"<?php endif ?>
 <?php if ($required): ?> required="required"<?php endif ?>
 <?php foreach ($attr as $k => $v): ?>
+<?php if ('readonly' === $k) { continue; } ?>
 <?php if (in_array($k, array('placeholder', 'title'), true)): ?>
 <?php printf(' %s="%s"', $view->escape($k), $view->escape(false !== $translation_domain ? $view['translator']->trans($v, array(), $translation_domain) : $v)) ?>
 <?php elseif ($v === true): ?>
diff --git a/src/Symfony/Bundle/FrameworkBundle/composer.json b/src/Symfony/Bundle/FrameworkBundle/composer.json
index 60d4cdb370..6b7853b036 100644
--- a/src/Symfony/Bundle/FrameworkBundle/composer.json
+++ b/src/Symfony/Bundle/FrameworkBundle/composer.json
@@ -43,7 +43,7 @@
         "symfony/dom-crawler": "~2.0,>=2.0.5|~3.0.0",
         "symfony/polyfill-intl-icu": "~1.0",
         "symfony/security": "~2.6|~3.0.0",
-        "symfony/form": "~2.8",
+        "symfony/form": "^2.8.4",
         "symfony/expression-language": "~2.6|~3.0.0",
         "symfony/process": "~2.0,>=2.0.5|~3.0.0",
         "symfony/validator": "~2.5|~3.0.0",
diff --git a/src/Symfony/Component/Form/Tests/AbstractBootstrap3LayoutTest.php b/src/Symfony/Component/Form/Tests/AbstractBootstrap3LayoutTest.php
index 2bfc915887..bc235a5c42 100644
--- a/src/Symfony/Component/Form/Tests/AbstractBootstrap3LayoutTest.php
+++ b/src/Symfony/Component/Form/Tests/AbstractBootstrap3LayoutTest.php
@@ -2430,7 +2430,7 @@ abstract class AbstractBootstrap3LayoutTest extends AbstractLayoutTest
         $html = $this->renderWidget($form->createView());
 
         // compare plain HTML to check the whitespace
-        $this->assertSame('<input type="text" id="text" name="text" disabled="disabled" required="required" readonly="readonly" maxlength="10" pattern="\d+" class="foobar form-control" data-foo="bar" value="value" />', $html);
+        $this->assertSame('<input type="text" id="text" name="text" readonly="readonly" disabled="disabled" required="required" maxlength="10" pattern="\d+" class="foobar form-control" data-foo="bar" value="value" />', $html);
     }
 
     public function testWidgetAttributeNameRepeatedIfTrue()
diff --git a/src/Symfony/Component/Form/Tests/AbstractLayoutTest.php b/src/Symfony/Component/Form/Tests/AbstractLayoutTest.php
index 9e2c38cc69..953555724a 100644
--- a/src/Symfony/Component/Form/Tests/AbstractLayoutTest.php
+++ b/src/Symfony/Component/Form/Tests/AbstractLayoutTest.php
@@ -2373,7 +2373,7 @@ abstract class AbstractLayoutTest extends \Symfony\Component\Form\Test\FormInteg
         $html = $this->renderWidget($form->createView());
 
         // compare plain HTML to check the whitespace
-        $this->assertSame('<input type="text" id="text" name="text" disabled="disabled" required="required" readonly="readonly" maxlength="10" pattern="\d+" class="foobar" data-foo="bar" value="value" />', $html);
+        $this->assertSame('<input type="text" id="text" name="text" readonly="readonly" disabled="disabled" required="required" maxlength="10" pattern="\d+" class="foobar" data-foo="bar" value="value" />', $html);
     }
 
     public function testWidgetAttributeNameRepeatedIfTrue()