diff --git a/.gitignore b/.gitignore
index f33e41c..60fcf74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ clog
 /php-sabre-vobject4-4.5.3-fe6d918.tgz
 /php-sabre-vobject4-4.5.4-a6d53a3.tgz
 /php-sabre-vobject4-4.5.5-7148cf5.tgz
+/php-sabre-vobject4-4.5.6-900266b.tgz
diff --git a/php-sabre-vobject4.spec b/php-sabre-vobject4.spec
index 1d9e317..4297926 100644
--- a/php-sabre-vobject4.spec
+++ b/php-sabre-vobject4.spec
@@ -12,7 +12,7 @@
 # For compatibility with SCL
 %undefine __brp_mangle_shebangs
 
-%global gh_commit    7148cf57d25aaba0a49f6656d37c35e8175b3087
+%global gh_commit    900266bb3bd448a9f7f41f82344ad0aba237cb27
 %global gh_short     %(c=%{gh_commit}; echo ${c:0:7})
 %global gh_owner     sabre-io
 %global gh_project   vobject
@@ -20,7 +20,7 @@
 
 Name:           php-sabre-vobject4
 Summary:        Library to parse and manipulate iCalendar and vCard objects
-Version:        4.5.5
+Version:        4.5.6
 Release:        1%{?dist}
 
 URL:            http://sabre.io/vobject/
@@ -43,10 +43,10 @@ BuildRequires:  php-spl
 BuildRequires:  php-xml
 # From composer.json, "require-dev"
 #        "friendsofphp/php-cs-fixer": "^2.17.1",
-#        "phpunit/phpunit" : "^7.5 || ^8.5 || ^9.0",
+#        "phpunit/phpunit" : "^7.5 || ^8.5 || ^9.6",
 #        "phpunit/php-invoker" : "^2.0 || ^3.1",
-#        "phpstan/phpstan": "^0.12"
-BuildRequires:  phpunit9
+#        "phpstan/phpstan": "^0.12 || ^1.11"
+BuildRequires:  phpunit9 >= 9.6
 %global phpunit %{_bindir}/phpunit9
 %endif
 # Autoloader
@@ -145,7 +145,7 @@ fi
 
 : Run upstream test suite against installed library
 ret=0
-for cmdarg in "php %{phpunit}" php81 php82 php83; do
+for cmdarg in "php %{phpunit}" php81 php82 php83 php84; do
   if which $cmdarg; then
     set $cmdarg
     $1 ${2:-%{_bindir}/phpunit9} $opt || ret=1
@@ -168,6 +168,9 @@ exit $ret
 %endif
 
 %changelog
+* Tue Oct 15 2024 Remi Collet <remi@remirepo.net> - 4.5.6-1
+- update to 4.5.6
+
 * Wed Jul  3 2024 Remi Collet <remi@remirepo.net> - 4.5.5-1
 - update to 4.5.5
 
diff --git a/sources b/sources
index 033c186..341f73c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (php-sabre-vobject4-4.5.5-7148cf5.tgz) = 6de05e4e85c5e44564b7b9f4d62a86cf478845a9f68be3a1d7373ebedaac7cf4df0995b2d373b5cde5a429fce708def7578fc209e44cc5a19c99812746c54609
+SHA512 (php-sabre-vobject4-4.5.6-900266b.tgz) = 5ee1c4cd29e4b5acdcfe62ca46a3a013abbfcab86a571259205c4d373f3d5fa1499ac9af521cf5c0c73a424ad4a93a9b18826aa7e157062ccac542c06f05f425