diff --git a/.gitignore b/.gitignore
index 1ea042b..ed232df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,4 @@
 /phpunit10-10.5.48-6e0a2bc.tgz
 /phpunit10-10.5.53-3276847.tgz
 /phpunit10-10.5.54-b1dbbaa.tgz
+/phpunit10-10.5.55-4b2d546.tgz
diff --git a/phpunit10.spec b/phpunit10.spec
index 9822277..73e579f 100644
--- a/phpunit10.spec
+++ b/phpunit10.spec
@@ -16,8 +16,8 @@
 %bcond_with          defcmd
 %endif
 
-%global gh_commit    b1dbbaaf96106b76d500b9d3db51f9b01f6a3589
-%global gh_date      2025-09-11
+%global gh_commit    4b2d546b336876bd9562f24641b08a25335b06b6
+%global gh_date      2025-09-14
 %global gh_short     %(c=%{gh_commit}; echo ${c:0:7})
 %global gh_owner     sebastianbergmann
 %global gh_project   phpunit
@@ -30,7 +30,7 @@
 %global ver_major    10
 %global ver_minor    5
 
-%global upstream_version 10.5.54
+%global upstream_version 10.5.55
 #global upstream_prever  dev
 
 Name:           %{pk_project}%{ver_major}
@@ -59,7 +59,7 @@ BuildRequires:  (php-composer(phpunit/php-text-template) >= 3.0.1     with php-c
 BuildRequires:  (php-composer(phpunit/php-timer) >= 6.0               with php-composer(phpunit/php-timer) < 7)
 BuildRequires:  (php-composer(sebastian/cli-parser) >= 2.0.1          with php-composer(sebastian/cli-parser) < 3)
 BuildRequires:  (php-composer(sebastian/code-unit) >= 2.0             with php-composer(sebastian/code-unit) < 3)
-BuildRequires:  (php-composer(sebastian/comparator) >= 5.0.3          with php-composer(sebastian/comparator) < 6)
+BuildRequires:  (php-composer(sebastian/comparator) >= 5.0.4          with php-composer(sebastian/comparator) < 6)
 BuildRequires:  (php-composer(sebastian/diff) >= 5.1.1                with php-composer(sebastian/diff) < 6)
 BuildRequires:  (php-composer(sebastian/environment) >= 6.1.0         with php-composer(sebastian/environment) < 7)
 BuildRequires:  (php-composer(sebastian/exporter) >= 5.1.2            with php-composer(sebastian/exporter) < 6)
@@ -95,7 +95,7 @@ BuildRequires:  php-fedora-autoloader-devel >= 1.0.0
 #        "phpunit/php-timer": "^6.0.0",
 #        "sebastian/cli-parser": "^2.0.1",
 #        "sebastian/code-unit": "^2.0.0",
-#        "sebastian/comparator": "^5.0.3",
+#        "sebastian/comparator": "^5.0.4",
 #        "sebastian/diff": "^5.1.1",
 #        "sebastian/environment": "^6.1.0",
 #        "sebastian/exporter": "^5.1.2",
@@ -122,7 +122,7 @@ Requires:       (php-composer(phpunit/php-text-template) >= 3.0.1     with php-c
 Requires:       (php-composer(phpunit/php-timer) >= 6.0               with php-composer(phpunit/php-timer) < 7)
 Requires:       (php-composer(sebastian/cli-parser) >= 2.0.1          with php-composer(sebastian/cli-parser) < 3)
 Requires:       (php-composer(sebastian/code-unit) >= 2.0             with php-composer(sebastian/code-unit) < 3)
-Requires:       (php-composer(sebastian/comparator) >= 5.0.3          with php-composer(sebastian/comparator) < 6)
+Requires:       (php-composer(sebastian/comparator) >= 5.0.4          with php-composer(sebastian/comparator) < 6)
 Requires:       (php-composer(sebastian/diff) >= 5.1.1                with php-composer(sebastian/diff) < 6)
 Requires:       (php-composer(sebastian/environment) >= 6.1.0         with php-composer(sebastian/environment) < 7)
 Requires:       (php-composer(sebastian/exporter) >= 5.1.2            with php-composer(sebastian/exporter) < 6)
@@ -265,6 +265,10 @@ exit $ret
 
 
 %changelog
+* Mon Sep 15 2025 Remi Collet <remi@remirepo.net> - 10.5.55-1
+- update to 10.5.55
+- raise dependency on sebastian/comparator 5.0.4
+
 * Thu Sep 11 2025 Remi Collet <remi@remirepo.net> - 10.5.54-1
 - update to 10.5.54
 
diff --git a/sources b/sources
index 2bccf49..6a7b711 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (phpunit10-10.5.54-b1dbbaa.tgz) = 8bcc6b8f9bbdd8081c5a0c17cfc09f3e15686d8aa508de65906dd3c651afab05094f58fc8e95bff35a19edd6d289878730a0d2926c6ed733610330aa746866c6
+SHA512 (phpunit10-10.5.55-4b2d546.tgz) = c1109c86f0ef1108fac6b36901997b4b38c3c83d40cdd29256891d198367186088a87fc2f62ee1a6e4f063930a533d6e23ac617d863bc65c8132369a84aff149