diff --git a/composer.json b/composer.json
index 8ca3927..551774f 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "license": "BSD-3-Clause",
     "require": {
         "silverstripe/recipe-plugin": "^0.1",
-        "silverstripe/recipe-core": "4.0.x-dev",
+        "silverstripe/recipe-core": "1.0.x-dev",
         "silverstripe/admin": "1.0.x-dev",
         "silverstripe/asset-admin": "1.0.x-dev",
         "silverstripe/campaign-admin": "1.0.x-dev",