php - PHPSpreadsheet textRotation to 90 not working

I am trying to use text Rotation to 90 to have cell with vertical text, but it is not working, all text shown horizontally, maybe I make something wrong? Here is my php code

$spreadsheet = new Spreadsheet();

// Create a new worksheet called "Technical Skills"
$technicalSkillsSheet = new Worksheet($spreadsheet, 'Technical Skills');
// Attach the "Technical Skills" worksheet as the first worksheet in the Spreadsheet object
$spreadsheet->addSheet($technicalSkillsSheet, TECHNICAL_SKILLS_INDEX);
$sheet = $spreadsheet->getSheet(TECHNICAL_SKILLS_INDEX);
foreach($term_sheet_array as $term_sheet){
    $sheet->setCellValue($term_sheet['cell'], $term_sheet['name']);
    $styleArray = array(
        'fill' => array(
            'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
            'startColor' => array(
                'argb' => $term_sheet["color"],
            ),
        ),
        'alignment' => array(
            'wrapText' => TRUE,
            'textRotation' => 90,
            'vertical' => \PhpOffice\PhpSpreadsheet\Style\Alignment::VERTICAL_BOTTOM,
        ),
    );
    $sheet->getStyle($term_sheet['cell'])->applyFromArray($styleArray);
    $color_key++;

    if($color_key >= count($sheetColors)){
       $color_key = 0;
    }
}
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