diff --git a/composer.json b/composer.json
index edbb59e..521e2d4 100644
--- a/composer.json
+++ b/composer.json
@@ -16,6 +16,7 @@
     "require-dev": {
         "phpunit/phpunit": "3.7.*"
     },
+    "minimum-stability": "stable",
     "autoload": {
         "psr-0": {
             "Extlib": "src/",