diff --git a/composer.json b/composer.json
index 6dc1cb8a..d49a9d4b 100644
--- a/composer.json
+++ b/composer.json
@@ -36,6 +36,7 @@
         "spatie/phpunit-watcher": "^1.23",
         "vimeo/psalm": "^4.30|^5.12",
         "yiisoft/db-sqlite": "^1.1",
+        "yiisoft/di": "^1.2",
         "yiisoft/files": "^1.0|^2.0",
         "yiisoft/test-support": "^3.0",
         "yiisoft/yii-console": "^1.0|^2.0"