diff --git a/composer.json b/composer.json
index 9420fd2..34d0001 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
   "require": {
     "php": ">=7.1.0",
     "tracy/tracy": "2.5.*",
-    "fuzeworks/core": "1.2.0-RC3"
+    "fuzeworks/core": "1.2.0-RC4"
   },
   "require-dev": {
     "phpunit/phpunit": "^7"