diff -Nru latexml-0.8.6/debian/changelog latexml-0.8.6/debian/changelog
--- latexml-0.8.6/debian/changelog	2021-12-02 13:16:40.000000000 +0000
+++ latexml-0.8.6/debian/changelog	2022-06-27 13:15:46.000000000 +0000
@@ -1,3 +1,10 @@
+latexml (0.8.6-4) unstable; urgency=medium
+
+  * Add patch from upstream to fix test suite.
+  * Add "make" to Dep of test suite.
+
+ -- Hilmar Preusse <hille42@web.de>  Mon, 27 Jun 2022 15:15:46 +0200
+
 latexml (0.8.6-3) unstable; urgency=medium
 
   * Add patch from pull request #1716 to fix test suite w/ TL 2021.
diff -Nru latexml-0.8.6/debian/patches/pull_request_1874.patch latexml-0.8.6/debian/patches/pull_request_1874.patch
--- latexml-0.8.6/debian/patches/pull_request_1874.patch	1970-01-01 00:00:00.000000000 +0000
+++ latexml-0.8.6/debian/patches/pull_request_1874.patch	2022-06-27 12:50:49.000000000 +0000
@@ -0,0 +1,49 @@
+From 878d10f02ab1173134369baa8e7ef5c820105703 Mon Sep 17 00:00:00 2001
+From: Bruce Miller <nebconinc@gmail.com>
+Date: Thu, 23 Jun 2022 09:25:33 -0400
+Subject: [PATCH] Fix ordering error in \InputIfFileExists
+
+---
+ lib/LaTeXML/Package/LaTeX.pool.ltxml | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+--- latexml.orig/lib/LaTeXML/Package/LaTeX.pool.ltxml
++++ latexml/lib/LaTeXML/Package/LaTeX.pool.ltxml
+@@ -4010,8 +4010,10 @@
+ #======================================================================
+ Let('\@@input', '\input');    # Save TeX's version.
+                               # LaTeX's \input is a bit different...
++# Input, now
++DefPrimitive('\ltx@input {}', sub { Input(Expand($_[1])); });
+ DefMacroI('\input', undef, '\@ifnextchar\bgroup\@iinput\@@input');
+-DefPrimitive('\@iinput {}', sub { Input(Expand($_[1])); });
++Let('\@iinput', '\ltx@input');
+ DefMacro('\@input{}',  '\IfFileExists{#1}{\@@input\@filef@und}{\typeout{No file #1.}}');
+ DefMacro('\@input@{}', '\InputIfFileExists{#1}{}{\typeout{No file #1.}}');
+ 
+@@ -5713,11 +5715,12 @@
+ 
+ DefMacro('\InputIfFileExists{}{}{}', sub {
+     my ($gullet, $file, $if, $else) = @_;
+-    my $file_string = ToString(Expand($file));
++    $file = Expand($file);
++    my $file_string = ToString($file);
+     if (FindFile($file_string)) {
+       DefMacro('\@filef@und', '"' . $file_string . '" ');
+-      Input($file_string);
+-      return ($if->unlist); }
++      return Tokens($if, T_CS('\@addtofilelist'), T_BEGIN, $file, T_END,
++        T_CS('\ltx@input'), T_BEGIN, $file, T_END); }
+     else { return ($else->unlist); } });
+ 
+ #======================================================================
+--- latexml.orig/t/80_complex.t
++++ latexml/t/80_complex.t
+@@ -6,5 +6,5 @@
+ 
+ latexml_tests("t/complex",
+   requires => {
+-     cleveref_minimal => 'cleveref.sty',
+-     si => 'siunitx.sty' });
++    cleveref_minimal => 'cleveref.sty',
++    si               => { packages => 'siunitx.sty', texlive_min => 2015 } });
diff -Nru latexml-0.8.6/debian/patches/series latexml-0.8.6/debian/patches/series
--- latexml-0.8.6/debian/patches/series	2021-12-02 10:09:02.000000000 +0000
+++ latexml-0.8.6/debian/patches/series	2022-06-27 12:23:19.000000000 +0000
@@ -1,3 +1,4 @@
 fix-perl-shebang
 #spelling_errors
 pull_request_1716.patch
+pull_request_1874.patch
diff -Nru latexml-0.8.6/debian/tests/control latexml-0.8.6/debian/tests/control
--- latexml-0.8.6/debian/tests/control	2021-10-05 06:12:05.000000000 +0000
+++ latexml-0.8.6/debian/tests/control	2022-06-27 10:17:22.000000000 +0000
@@ -1,5 +1,6 @@
 Tests: test-suite
-Depends: libparse-recdescent-perl,
+Depends: make,
+        libparse-recdescent-perl,
         libimage-size-perl,
         libarchive-zip-perl,
         libfile-which-perl,