diff --git a/composer.json b/composer.json
index 44a8801..d028bdb 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     ],
     "require": {
         "yiisoft/yii2": "~2.0.0",
-        "yiisoft/yii2-bootstrap4": "~1.0.0",
+        "yiisoft/yii2-bootstrap4": "^1.0 | ^2.0",
         "jasny/bootstrap": "~3.1.0",
         "kartik-v/bootstrap-fileinput": "~4.1.0"
     },