diff --git a/composer.json b/composer.json
index 9608bb8..3197c86 100644
--- a/composer.json
+++ b/composer.json
@@ -15,10 +15,10 @@
     }
   },
   "require": {
-    "dflydev/dot-access-data": "^1.1",
-    "php-coveralls/php-coveralls": "^2.0"
+    "dflydev/dot-access-data": "^1.1"
   },
   "require-dev": {
-    "phpunit/phpunit": "^6.4"
+    "phpunit/phpunit": "^6.4",
+    "php-coveralls/php-coveralls": "^2.0"
   }
 }