diff --git a/components/phpunit_bridge.rst b/components/phpunit_bridge.rst
index 08ae5054d83..8884417d563 100644
--- a/components/phpunit_bridge.rst
+++ b/components/phpunit_bridge.rst
@@ -534,8 +534,13 @@ Clock Mocking
 
 The :class:`Symfony\\Bridge\\PhpUnit\\ClockMock` class provided by this bridge
 allows you to mock the PHP's built-in time functions ``time()``, ``microtime()``,
-``sleep()``, ``usleep()`` and ``gmdate()``. Additionally the function ``date()``
-is mocked so it uses the mocked time if no timestamp is specified.
+``sleep()``, ``usleep()``, ``gmdate()``, and ``hrtime()`. Additionally the
+function ``date()`` is mocked so it uses the mocked time if no timestamp is
+specified.
+
+.. versionadded:: 6.2
+
+    Support for mocking the ``hrtime()`` function was introduced in Symfony 6.2.
 
 Other functions with an optional timestamp parameter that defaults to ``time()``
 will still use the system time instead of the mocked time. This means that you