diff --git a/composer.json b/composer.json
index 855313e..c658989 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         "php": ">= 7.4",
         "ext-oci8": "*",
         "ext-pdo": "*",
-        "doctrine/dbal": "^2.6"
+        "doctrine/dbal": "^2.6 || ^3.0"
     },
     "require-dev": {
         "ecphp/php-conventions": "dev-master",