diff --git a/composer.json b/composer.json
index 0cbfe98..abd17f9 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     ],
     "require": {
         "php": ">=5.5.9",
-        "typerocket/core": "3.0.0rc3"
+        "typerocket/core": "3.0.0rc4"
     },
     "autoload": {
         "psr-4": {