diff --git a/composer.json b/composer.json
index eda77e963e5ef..782d739047416 100644
--- a/composer.json
+++ b/composer.json
@@ -19,6 +19,7 @@
         "php-http/async-client-implementation": "*",
         "php-http/client-implementation": "*",
         "psr/cache-implementation": "2.0|3.0",
+        "psr/clock-implementation": "1.0",
         "psr/container-implementation": "1.1|2.0",
         "psr/event-dispatcher-implementation": "1.0",
         "psr/http-client-implementation": "1.0",
@@ -40,6 +41,7 @@
         "doctrine/persistence": "^2|^3",
         "twig/twig": "^2.13|^3.0.4",
         "psr/cache": "^2.0|^3.0",
+        "psr/clock": "^1.0",
         "psr/container": "^1.1|^2.0",
         "psr/event-dispatcher": "^1.0",
         "psr/link": "^1.1|^2.0",
diff --git a/src/Symfony/Component/Clock/ClockInterface.php b/src/Symfony/Component/Clock/ClockInterface.php
index af502a14ed6eb..435775a8f05d3 100644
--- a/src/Symfony/Component/Clock/ClockInterface.php
+++ b/src/Symfony/Component/Clock/ClockInterface.php
@@ -11,13 +11,13 @@
 
 namespace Symfony\Component\Clock;
 
+use Psr\Clock\ClockInterface as PsrClockInterface;
+
 /**
  * @author Nicolas Grekas <p@tchwork.com>
  */
-interface ClockInterface
+interface ClockInterface extends PsrClockInterface
 {
-    public function now(): \DateTimeImmutable;
-
     public function sleep(float|int $seconds): void;
 
     public function withTimeZone(\DateTimeZone|string $timezone): static;
diff --git a/src/Symfony/Component/Clock/composer.json b/src/Symfony/Component/Clock/composer.json
index 897d57f4b307a..2ff68a82227fb 100644
--- a/src/Symfony/Component/Clock/composer.json
+++ b/src/Symfony/Component/Clock/composer.json
@@ -15,8 +15,12 @@
             "homepage": "https://symfony.com/contributors"
         }
     ],
+    "provide": {
+        "psr/clock-implementation": "1.0"
+    },
     "require": {
-        "php": ">=8.1"
+        "php": ">=8.1",
+        "psr/clock": "^1.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Clock\\": "" },