diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e7d6f94..6066f5f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
 
     strategy:
       matrix:
-        php: ['8.0', '8.1', '8.2', '8.3']
+        php: ['8.0', '8.1', '8.2', '8.3', '8.4']
         stability: ['prefer-lowest', 'prefer-stable']
 
     name: PHP ${{ matrix.php }} - ${{ matrix.stability }}
@@ -45,7 +45,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.2'
+          php-version: '8.3'
           extensions: dom, curl, libxml, mbstring, zip, bcmath, gd
           tools: composer
           coverage: none
diff --git a/composer.json b/composer.json
index 5c96b6a..f200b92 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         {"name": "Manuel Reinhard", "email": "manu@sprain.ch"}
     ],
     "require": {
-        "php": "~8.0.0|~8.1.0|~8.2.0|~8.3.0",
+        "php": "~8.0.0|~8.1.0|~8.2.0|~8.3.0|~8.4.0",
         "ext-json": "*",
         "ext-dom": "*",
         "ext-intl": "*",
diff --git a/lib/HtmlPhpExcel/HtmlPhpExcel.php b/lib/HtmlPhpExcel/HtmlPhpExcel.php
index 067032d..30d0fda 100644
--- a/lib/HtmlPhpExcel/HtmlPhpExcel.php
+++ b/lib/HtmlPhpExcel/HtmlPhpExcel.php
@@ -146,14 +146,14 @@ private function createExcel(): void
         }
 
         // Loop over all tables in document
-        foreach($this->document->getTables() as $table) {
+        foreach ($this->document->getTables() as $table) {
 
             // Handle worksheets
             $sheet = $this->excel->makeSheet($table->getAttribute('_excel-name'));
 
             // Loop over all rows
             $rowIndex = 1;
-            foreach($table->getRows() as $row) {
+            foreach ($table->getRows() as $row) {
                 $rowStyles = $this->getStyles($row);
                 if (!empty($rowStyles)) {
                     $sheet->setRowStyles(
@@ -164,7 +164,7 @@ private function createExcel(): void
 
                 // Loop over all cells in a row
                 $colIndex = 1;
-                foreach($row->getCells() as $cell) {
+                foreach ($row->getCells() as $cell) {
 
                     // Skip cells within merged range
                     $excelCellIndex = Helper::colLetter($colIndex).$rowIndex;
diff --git a/lib/HtmlPhpExcel/Parser/Parser.php b/lib/HtmlPhpExcel/Parser/Parser.php
index 98a2f3c..e5a2a5f 100644
--- a/lib/HtmlPhpExcel/Parser/Parser.php
+++ b/lib/HtmlPhpExcel/Parser/Parser.php
@@ -79,7 +79,7 @@ public function parse(): Document
             $table = new Table();
 
             $htmlRows = $xpath->query('.//tr[contains(concat(" ", normalize-space(@class), " "), "'.$this->rowClass.'")]', $htmlTable);
-            foreach($htmlRows as $htmlRow) {
+            foreach ($htmlRows as $htmlRow) {
 
                 $row = new Row();
                 $htmlCells = $xpath->query(
@@ -88,7 +88,7 @@ public function parse(): Document
                     $htmlRow
                 );
 
-                foreach($htmlCells as $htmlCell) {
+                foreach ($htmlCells as $htmlCell) {
                     $cell = new Cell();
                     $cell->setValue($htmlCell->nodeValue);