diff --git a/composer.json b/composer.json
index ab4b922..46a6393 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
   "license": "GPL-2.0+",
   "require": {
     "php": ">=7.1",
-    "easyrdf/easyrdf": "0.10.0-alpha.1 as 0.9.2",
+    "easyrdf/easyrdf": "0.10.0-alpha.1 as 0.9.2 || ~1.0",
     "ml/json-ld": "^1.0"
   },
   "require-dev": {