diff --git a/composer.json b/composer.json
index 1b708e8..1f66306 100644
--- a/composer.json
+++ b/composer.json
@@ -16,6 +16,7 @@
     },
     "require": {
         "php": ">=7.4"
+        "ext-hash": "*"
     },
     "require-dev": {
         "infection/infection": "^0.20",