diff --git a/composer.json b/composer.json
index 9a4efa85..3bdc6aca 100644
--- a/composer.json
+++ b/composer.json
@@ -18,16 +18,16 @@
         "php": ">=5.5",
         "ext-pdo": "*",
         "ext-json": "*",
-        "illuminate/database": "^5.2",
+        "illuminate/database": "^5",
         "geo-io/wkb-parser": "^1.0",
         "jmikola/geojson": "^1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.8||~5.7",
+        "phpunit/phpunit": "^4",
         "mockery/mockery": "^0.9.9",
-        "laravel/laravel": "^5.2",
-        "doctrine/dbal": "^2.5",
-        "laravel/browser-kit-testing": "^2.0",
+        "laravel/laravel": "^5",
+        "doctrine/dbal": "^2",
+        "laravel/browser-kit-testing": "^2",
         "php-coveralls/php-coveralls": "^2.0"
     },
     "autoload": {