diff --git a/.gitignore b/.gitignore
index a1d4c45..e7012ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /php-sebastian-diff3-3.0.0-e091609.tar.gz
 /php-sebastian-diff3-3.0.1-366541b.tar.gz
 /php-sebastian-diff3-3.0.2-720fcc7.tar.gz
+/php-sebastian-diff3-3.0.3-14f72dd.tar.gz
diff --git a/php-sebastian-diff3.spec b/php-sebastian-diff3.spec
index 37c25c9..9be9a5e 100644
--- a/php-sebastian-diff3.spec
+++ b/php-sebastian-diff3.spec
@@ -1,13 +1,13 @@
 # remirepo/fedora spec file for php-sebastian-diff3
 #
-# Copyright (c) 2013-2019 Remi Collet
+# Copyright (c) 2013-2021 Remi Collet
 # License: CC-BY-SA
 # http://creativecommons.org/licenses/by-sa/4.0/
 #
 # Please, preserve the changelog entries
 #
 %global bootstrap    0
-%global gh_commit    720fcc7e9b5cf384ea68d9d930d480907a0c1a29
+%global gh_commit    14f72dd46eaf2f2293cbe79c93cc0bc43161a211
 %global gh_short     %(c=%{gh_commit}; echo ${c:0:7})
 %global gh_owner     sebastianbergmann
 %global gh_project   diff
@@ -27,7 +27,7 @@
 %endif
 
 Name:           php-%{pk_vendor}-%{pk_project}%{major}
-Version:        3.0.2
+Version:        3.0.3
 Release:        4%{?dist}
 Summary:        Diff implementation
 
@@ -44,12 +44,12 @@ BuildRequires:  php-spl
 # from composer.json, "require-dev": {
 #        "phpunit/phpunit": "^7.5 || ^8.0",
 #        "symfony/process": "^2 || ^3.3 || ^4"
-BuildRequires:  phpunit7 >= 7.5
+BuildRequires:  phpunit8
 BuildRequires:  php-symfony4-process
 %endif
 
 # from composer.json
-#        "php": "^7.1"
+#        "php": ">=7.1"
 Requires:       php(language) >= 7.1
 # from phpcompatinfo report for version 3.0.0
 Requires:       php-pcre
@@ -85,16 +85,18 @@ cp -pr src %{buildroot}%{php_home}/%{ns_vendor}/%{ns_project}%{major}
 mkdir vendor
 %{_bindir}/phpab --output vendor/autoload.php tests
 cat << 'EOF' | tee -a vendor/autoload.php
-\Fedora\Autoloader\Autoload::addPsr4('Symfony\\Component\\Process', '%{php_home}/Symfony4/Component/Process');
+\Fedora\Autoloader\Dependencies::required([
+    '%{php_home}/Symfony4/Component/Process/autoload.php',
+]);
 EOF
 
 
 : Run upstream test suite
 ret=0
-for cmd in php php71 php72 php73; do
+for cmd in php php73 php74 php80; do
   if which $cmd; then
     $cmd -d auto_prepend_file=%{buildroot}%{php_home}/%{ns_vendor}/%{ns_project}%{major}/autoload.php \
-      %{_bindir}/phpunit7  --verbose || ret=1
+      %{_bindir}/phpunit8  --verbose || ret=1
   fi
 done
 exit $ret
@@ -112,6 +114,10 @@ exit $ret
 
 
 %changelog
+* Mon Aug  2 2021 Remi Collet <remi@remirepo.net> - 3.0.3-4
+- fix symfony autoloader usage
+- switch to phpunit8
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.0.2-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
 
diff --git a/sources b/sources
index 3f495ab..117fb0d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (php-sebastian-diff3-3.0.2-720fcc7.tar.gz) = 23a72319b76203a94d9edd14f8d960c9c489773ba9ec2bd7c8fb067332454ff9f83cba620e66da136d963d5599012cf42829c5d5913dd2bad44ed41c69ff9cba
+SHA512 (php-sebastian-diff3-3.0.3-14f72dd.tar.gz) = 8b4822cd9f1d203914dc0d62e328e18a7b993b2f22b20944d12bc61d8aa0eea1f0b881a0c55ed07e65d460ea65391c192693fe00873ad17e7b201399e7558d3f