diff --git a/.gitignore b/.gitignore
index 45e96c4..4f0a7d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /php-sabre-event5-5.0.3-f5cf802.tgz
 /php-sabre-event5-5.1.0-d00a175.tgz
+/php-sabre-event5-5.1.1-a37c73e.tgz
diff --git a/php-sabre-event5.spec b/php-sabre-event5.spec
index fc8a168..eb7d473 100644
--- a/php-sabre-event5.spec
+++ b/php-sabre-event5.spec
@@ -7,7 +7,7 @@
 # Please, preserve the changelog entries
 #
 # Github
-%global gh_commit    d00a17507af0e7544cfe17096372f5d733e3b276
+%global gh_commit    a37c73e535ddab02bd892f4bdab4867f9778cbea
 %global gh_short     %(c=%{gh_commit}; echo ${c:0:7})
 %global gh_owner     sabre-io
 %global gh_project   event
@@ -23,8 +23,8 @@
 
 Name:           php-%{pk_vendor}-%{pk_project}%{major}
 Summary:        Lightweight library for event-based programming
-Version:        5.1.0
-Release:        2%{?dist}
+Version:        5.1.1
+Release:        1%{?dist}
 
 URL:            http://sabre.io/event
 License:        BSD
@@ -37,14 +37,21 @@ BuildRequires:  php(language) >= 7.1
 BuildRequires:  php-spl
 # From composer.json, "require-dev": {
 #        "friendsofphp/php-cs-fixer": "~2.16.1",
-#        "phpunit/phpunit" : "^7 || ^8"
+#        "phpstan/phpstan": "^0.12",
+#        "phpunit/phpunit" : "^7.5 || ^8.5 || ^9.0"
+%if 0%{?fedora} >= 31 || 0%{?rhel} >= 9
+BuildRequires:  phpunit9
+%global phpunit %{_bindir}/phpunit9
+%else
 BuildRequires:  phpunit8
+%global phpunit %{_bindir}/phpunit8
+%endif
 # Autoloader
 BuildRequires:  php-composer(fedora/autoloader)
 %endif
 
 # From composer.json, "require": {
-#        "php": "^7.1"
+#        "php": "^7.1|^8.0"
 Requires:       php(language) >= 7.1
 # From phpcompatinfo report for version 5.0.2
 Requires:       php-spl
@@ -97,9 +104,10 @@ cp -pr lib %{buildroot}%{_datadir}/php/%{ns_vendor}/%{ns_project}%{major}
 %if %{with_tests}
 : Run upstream test suite against installed library
 ret=0
-for cmd in php php72 php73 php74; do
-  if which $cmd; then
-    $cmd %{_bindir}/phpunit8 \
+for cmdarg in "php %{phpunit}" "php72 %{_bindir}/phpunit8" php73 php74 php80; do
+  if which $cmdarg; then
+    set $cmdarg
+    $1 ${2:-%{_bindir}/phpunit9} \
       --bootstrap=%{buildroot}%{_datadir}/php/%{ns_vendor}/%{ns_project}%{major}/autoload.php \
       --configuration tests/phpunit.xml \
       --verbose || ret=1
@@ -112,7 +120,6 @@ exit $ret
 
 
 %files
-%{!?_licensedir:%global license %%doc}
 %license LICENSE
 %doc *md
 %doc composer.json
@@ -121,6 +128,10 @@ exit $ret
 
 
 %changelog
+* Mon Sep 21 2020 Remi Collet <remi@remirepo.net> - 5.1.1-1
+- update to 5.1.1
+- switch to phpunit9
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 5.1.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
 
diff --git a/sources b/sources
index a22bd65..0a88b19 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (php-sabre-event5-5.1.0-d00a175.tgz) = a5a59444c790122f0747d87425c965f25913fb6cdf99af826f61de9b5acee26a29e8faf8661c4614616ea62b44e6ceb45f5fcd5b868ab85c086ab2e13042b0c6
+SHA512 (php-sabre-event5-5.1.1-a37c73e.tgz) = e338bfe421224c008c69af609008ef1ce814c9d07170b7ba70675fb30317213dcfed6d547fe2c9b6713f1cdc65b0e7f02e848d985cbf234b16cfdb8bbf9ad3d6