diff --git a/composer.json b/composer.json
index f0f66a7..cf3a2a0 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     },
     "require-dev": {
         "phpunit/phpunit" : ">=5.4.3",
-        "squizlabs/php_codesniffer": "^2.3"
+        "squizlabs/php_codesniffer": "^2.3 || ^3.0"
     },
     "autoload": {
         "psr-4": {