diff --git a/tests/composer.json b/tests/composer.json
index 3a99dd54..e43fb45a 100644
--- a/tests/composer.json
+++ b/tests/composer.json
@@ -24,6 +24,7 @@
     "issues": "http://code.google.com/p/smarty-php/issues/list",
     "forum": "http://www.smarty.net/forums/"
   },
+  "minimum-stability" : "stable",
   "require": {
     "phpunit/phpunit": "*",
     "php": ">=5.2"