diff --git a/composer.json b/composer.json
index 499122fa..940df07f 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     "require": {
         "php": "^7.4 || ^8.0",
         "ext-json": "*",
-        "ibexa/core": "^4.0@dev",
+        "ibexa/core": "^4.0@rc",
         "netgen/query-translator": "^1.0.2",
         "symfony/http-kernel": "^5.0",
         "symfony/dependency-injection": "^5.0",
@@ -24,7 +24,7 @@
         "symfony/framework-bundle": "^5.0"
     },
     "require-dev": {
-        "ibexa/doctrine-schema": "^4.0@dev",
+        "ibexa/doctrine-schema": "^4.0@rc",
         "phpunit/phpunit": "^8.2",
         "matthiasnoback/symfony-dependency-injection-test": "^4.1",
         "ibexa/code-style": "^1.0"
@@ -48,7 +48,7 @@
             "EzSystems\\EzPlatformSolrSearchEngineBundle\\Tests\\": "tests/bundle/",
             "Ibexa\\Tests\\Integration\\Core\\": "vendor/ibexa/core/tests/integration/Core/",
             "Ibexa\\Tests\\Core\\": "vendor/ibexa/core/tests/lib/",
-            "Ibexa\\Tests\\Bundle\\Core\\":  "vendor/ibexa/core/tests/bundle/"
+            "Ibexa\\Tests\\Bundle\\Core\\": "vendor/ibexa/core/tests/bundle/"
         }
     },
     "scripts": {
@@ -70,4 +70,4 @@
             "url": "git@github.com:ibexa/namespace-compatibility.git"
         }
     }
-}
+}
\ No newline at end of file