diff --git a/composer.json b/composer.json
index 529cdc4..c229c6d 100644
--- a/composer.json
+++ b/composer.json
@@ -13,14 +13,14 @@
         }
     ],
     "require": {
-        "php": ">=5.4",
-        "symfony/console": "~2.2",
-        "symfony/process": "~2.2",
-        "symfony/finder": "~2.2",
-        "symfony/filesystem": "~2.2",
-        "symfony/yaml": "~2.2",
-        "symfony/event-dispatcher": "~2.2",
-        "symfony/property-access": "~2.2"
+        "php": "^5.4|^7.0",
+        "symfony/console": "^2.2|^3.0",
+        "symfony/process": "^2.2|^3.0",
+        "symfony/finder": "^2.2|^3.0",
+        "symfony/filesystem": "^2.2|^3.0",
+        "symfony/yaml": "^2.2|^3.0",
+        "symfony/event-dispatcher": "^2.2|^3.0",
+        "symfony/property-access": "^2.2|^3.0"
     },
     "require-dev": {
         "fabpot/php-cs-fixer": "1.4.2",