diff --git a/composer.json b/composer.json
index 1b15a6f1..ca696bfa 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         }
     ],
     "require": {
-        "yiisoft/yii2": "~2.0.14",
+        "yiisoft/yii2": "<=2.0.49",
         "ext-curl": "*",
         "ext-json": "*",
         "ext-mbstring": "*",