diff --git a/composer.json b/composer.json
index d809042..c24fda8 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Smarty extensions to use with amazing router from sunrise-php",
     "type": "library",
     "require": {
-        "imponeer/smarty-extensions-contracts": "^1.0",
+        "imponeer/smarty-extensions-contracts": "^1.0 || ^2.0",
         "php": ">=7.2",
         "sunrise/http-router": "^2"
     },