diff --git a/composer.json b/composer.json
index 9f67f91..13106d6 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         "php": ">=5.3.0"
     },
     "require-dev": {
-        "satooshi/php-coveralls": "dev-master"
+        "satooshi/php-coveralls": "~1.0"
     },
     "autoload": {
         "psr-4": {"joshtronic\\": "src/"}