--- /dev/null
+diff -up vendor/tecnickcom/tcpdf/tcpdf.php.patch vendor/tecnickcom/tcpdf/tcpdf.php
+--- vendor/tecnickcom/tcpdf/tcpdf.php.patch 2021-05-23 10:30:56.970668957 +0200
++++ vendor/tecnickcom/tcpdf/tcpdf.php 2021-05-23 10:33:11.760593379 +0200
+@@ -18918,18 +18918,7 @@ Putting 1 is equivalent to putting 0 and
+ }
+ $prevlinewidth = $this->GetLineWidth();
+ $this->SetLineWidth($hrHeight);
+-
+- $lineStyle = array(
+- 'color' => $tag['fgcolor'],
+- 'cap' => $tag['style']['cap'],
+- 'join' => $tag['style']['join'],
+- 'dash' => $tag['style']['dash'],
+- 'phase' => $tag['style']['phase'],
+- );
+-
+- $lineStyle = array_filter($lineStyle);
+-
+- $this->Line($x, $y, $x + $hrWidth, $y, $lineStyle);
++ $this->Line($x, $y, $x + $hrWidth, $y);
+ $this->SetLineWidth($prevlinewidth);
+ $this->addHTMLVertSpace(max($hbc, ($hrHeight / 2)), 0, $cell, !isset($dom[($key + 1)]));
+ break;