diff --git a/composer.json b/composer.json
index 550b9c6..acbbb63 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,8 @@
     },
     "require-dev": {
         "phpunit/phpunit": "~4.0",
-        "sami/sami": "dev-master",
-        "satooshi/php-coveralls": "dev-master"
+        "sami/sami": ">=3.3.0",
+        "satooshi/php-coveralls": ">=1.0.1"
     },
     "autoload": {
         "psr-0": {