diff --git a/app/Services/AppointmentCertService.php b/app/Services/AppointmentCertService.php
index 8343f90b..fd024765 100644
--- a/app/Services/AppointmentCertService.php
+++ b/app/Services/AppointmentCertService.php
@@ -69,7 +69,7 @@ public function generatePdfResponse(array $content): \Illuminate\Http\Response
 
         $pdf->setPrintHeader(false);
         $pdf->setPrintFooter(false);
-        $pdf->SetMargins(20, 40, 20);
+        $pdf->SetMargins(20, 20, 20);
         $pdf->SetAutoPageBreak(true, 20);
 
         $font = $this->getKoreanFont();
@@ -77,12 +77,12 @@ public function generatePdfResponse(array $content): \Illuminate\Http\Response
         $pdf->AddPage();
 
         // 상단 여백
-        $pdf->Ln(20);
+        $pdf->Ln(10);
 
         // 제목
         $pdf->SetFont($font, 'B', 22);
         $pdf->Cell(0, 20, '위 촉 증 명 서', 0, 1, 'C');
-        $pdf->Ln(20);
+        $pdf->Ln(14);
 
         $pageWidth = $pdf->getPageWidth() - 40;
         $thWidth = 30;