diff --git a/composer.json b/composer.json
index e39707c..eafef5c 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
     ],
     "license": "BSD-3-Clause",
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
         "ext-apcu": "^5.1.10",
         "laminas/laminas-cache": "^4.0"
     },