diff --git a/bower.json b/bower.json
deleted file mode 100644
index 24a1c36..0000000
--- a/bower.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-    "name": "yii2-bootstrap",
-    "version": "2.0.0",
-    "homepage": "http://www.yiiframework.com/",
-    "authors": [
-        "Qiang Xue <qiang.xue@gmail.com>"
-    ],
-    "description": "The Twitter Bootstrap extension for the Yii framework",
-    "keywords": [
-        "yii2",
-        "bootstrap"
-    ],
-    "license": "BSD-3-Clause",
-    "ignore": [
-        "/*"
-    ],
-    "dependencies": {
-        "bootstrap": ">=3.0.0"
-    }
-}
diff --git a/composer.json b/composer.json
index a76745e..744611f 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     ],
     "require": {
         "yiisoft/yii2": "*",
-        "bower-asset/bootstrap": "3.2.*"
+        "bower-asset/bootstrap": "~3.2"
     },
     "autoload": {
         "psr-4": {