diff --git a/.github/workflows/test-suite.yaml b/.github/workflows/test-suite.yaml
index 384d63f..bc9be1c 100644
--- a/.github/workflows/test-suite.yaml
+++ b/.github/workflows/test-suite.yaml
@@ -79,7 +79,7 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: ['8.1', '8.2', '8.3']
+        php-versions: ['8.1', '8.2', '8.3', '8.4']
 
     steps:
       - name: Checkout Repository
diff --git a/composer.json b/composer.json
index 7e35f71..7366761 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "issues": "https://github.com/DirectoryLister/DirectoryLister/issues"
     },
     "require": {
-        "php": "^8.0 || ^8.1 || ^8.2",
+        "php": "^8.1 || ^8.2 || ^8.3 || ^8.4",
         "ext-dom": "*",
         "ext-fileinfo": "*",
         "ext-zip": "*",
diff --git a/composer.lock b/composer.lock
index 9cb14e6..3288834 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "322cb5c7e9b364c14b81d8db9ad456a3",
+    "content-hash": "5fff34e40f30e02411400dd2e22b9f16",
     "packages": [
         {
             "name": "erusev/parsedown",
@@ -6829,7 +6829,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.0 || ^8.1 || ^8.2",
+        "php": "^8.1 || ^8.2 || ^8.3 || ^8.4",
         "ext-dom": "*",
         "ext-fileinfo": "*",
         "ext-zip": "*"