diff --git a/composer.json b/composer.json
index a498f8b8f74b4a7d74e5fecc1aba73962b27d5f2..82783170abf6d76ea66d390b91d909234f29706b 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
         "webflo/drupal-core-strict": "*"
     },
     "require": {
-        "drupal/core": "9.0.0-alpha2",
+        "drupal/core": "9.0.x-dev",
         "asm89/stack-cors": "1.3.0",
         "composer/installers": "v1.8.0",
         "composer/semver": "1.5.1",