diff --git a/composer.json b/composer.json
index e89d4a32..35f4a364 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": ">=8.0.0",
-        "iceframework/zephir-parser": "1.5.3",
+        "iceframework/zephir-parser": "dev-2440-php84#c79b710cf6bae85d928da95c02d2ab8a140ce33f",
         "phalcon/zephir": "0.17.0",
         "mongodb/mongodb": "^1.2.0"
     },