diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93c3ff4..51c3116 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Yii Framework 2 bootstrap extension Change Log
 
 - Bug #5570: `yii\bootstrap\Tabs` would throw an exception if `content` is not set for one of its `items` (RomeroMsk)
 - Enh #5735: Added `yii\bootstrap\Tabs::renderTabContent` to support manually rendering tab contents (RomeroMsk)
+- Chg #5874: Upgraded Twitter Bootstrap to 3.3.x (samdark)
 
 
 2.0.0 October 12, 2014
diff --git a/composer.json b/composer.json
index e90811a..4a5da0d 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     ],
     "require": {
         "yiisoft/yii2": "*",
-        "bower-asset/bootstrap": "3.2.* | 3.1.*"
+        "bower-asset/bootstrap": "3.3.* | 3.2.* | 3.1.*"
     },
     "autoload": {
         "psr-4": {