diff --git a/composer.json b/composer.json
index fba40a1..fdb79fd 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "minimum-stability": "stable",
     "require": {
-        "lisachenko/z-engine": "^0.7.1"
+        "lisachenko/z-engine": "^0.7.1 || ^0.8.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.5"