diff --git a/composer.json b/composer.json
index 4957f690e9d8a65f5058689df36bb9b7ff5afc26..6dd4252b1bf67e6ae27c9d8b24ba88cc5add18f1 100644
--- a/composer.json
+++ b/composer.json
@@ -49,7 +49,7 @@
         "opis/json-schema": "^1.0",
         "slim/psr7": "1.4",
         "slim/slim": "^4.7.1",
-        "php-di/php-di": "6.3.4",
+        "php-di/php-di": "^6.3.4",
         "symfony/console": "^5.3.16",
         "symfony/process": "^5.4",
         "jumbojett/openid-connect-php": "^0.9.2",