diff --git a/composer.json b/composer.json
index fefe421..ae7fa97 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "symfony/symfony": "~3.0|~4.0",
+        "symfony/symfony": "^3.0|^4.0",
         "noccylabs/lpr": "~0.1.0"
     },
     "autoload": {