diff --git a/.github/workflows/composer-json-lint.yml b/.github/workflows/composer-json-lint.yml
index 12f35f8..a49ef17 100644
--- a/.github/workflows/composer-json-lint.yml
+++ b/.github/workflows/composer-json-lint.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.3"
+          - "8.4"
         operating-system:
           - "ubuntu-latest"
 
@@ -34,7 +34,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: "Cache dependencies"
-        uses: "actions/cache@v2"
+        uses: "actions/cache@v4"
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: "php-${{ matrix.php-version }}-composer-${{ matrix.dependencies }}-${{ hashFiles('**/composer.lock') }}"
diff --git a/.github/workflows/php-cs-fixer.yml b/.github/workflows/php-cs-fixer.yml
index c0e7862..f628aa2 100644
--- a/.github/workflows/php-cs-fixer.yml
+++ b/.github/workflows/php-cs-fixer.yml
@@ -17,6 +17,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
         operating-system:
           - "ubuntu-latest"
 
@@ -37,7 +38,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: "Cache dependencies"
-        uses: "actions/cache@v2"
+        uses: "actions/cache@v4"
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: "php-${{ matrix.php-version }}-composer-${{ matrix.dependencies }}-${{ hashFiles('**/composer.lock') }}"
diff --git a/README.md b/README.md
index 9555ef2..3b0a8be 100644
--- a/README.md
+++ b/README.md
@@ -39,8 +39,8 @@ $finder = Finder::create()
 return (new Config())
     ->setFinder($finder)
     ->setRiskyAllowed(true)
-    // use specific rules for your php version e.g.: getForPhp74, getForPhp82, getForPhp83
-    ->setRules(Rules::getForPhp74());
+    // use specific rules for your php version e.g.: getForPhp82, getForPhp83, getForPhp84
+    ->setRules(Rules::getForPhp84());
 ```
 
 ### Manual Triggering
diff --git a/src/PhpCsFixer/Rules.php b/src/PhpCsFixer/Rules.php
index a7b5ac5..8fdbf42 100644
--- a/src/PhpCsFixer/Rules.php
+++ b/src/PhpCsFixer/Rules.php
@@ -48,6 +48,9 @@ public static function getForPhp73(array $overriddenRules = []): array
         return array_merge(self::getForPhp72($specific73Rules), $overriddenRules);
     }
 
+    /**
+     * @deprecated php version 7.4 is no longer supported
+     */
     public static function getForPhp74(array $overriddenRules = []): array
     {
         $specific74Rules = [
@@ -57,6 +60,9 @@ public static function getForPhp74(array $overriddenRules = []): array
         return array_merge(self::getForPhp73($specific74Rules), $overriddenRules);
     }
 
+    /**
+     * @deprecated php version 8.0 is no longer supported
+     */
     public static function getForPhp80(array $overriddenRules = []): array
     {
         $specific80Rules = [
@@ -93,6 +99,16 @@ public static function getForPhp83(array $overriddenRules = []): array
         return array_merge(self::getForPhp82($specific83Rules), $overriddenRules);
     }
 
+    public static function getForPhp84(array $overriddenRules = []): array
+    {
+        $specific84Rules = [
+            // At the moment there are no specific 8.4 rules or configurations
+        ];
+
+        return array_merge(self::getForPhp82($specific84Rules), $overriddenRules);
+    }
+
+
     private static function getBaseRules(): array
     {
         return [