diff --git a/src/Symfony/Component/Console/CHANGELOG.md b/src/Symfony/Component/Console/CHANGELOG.md
index 722045091ff49..81f0e330206d3 100644
--- a/src/Symfony/Component/Console/CHANGELOG.md
+++ b/src/Symfony/Component/Console/CHANGELOG.md
@@ -10,6 +10,7 @@ CHANGELOG
  * Add `BackedEnum` support with `#[Argument]` and `#[Option]` inputs in invokable commands
  * Allow Usages to be specified via `#[AsCommand]` attribute.
  * Allow passing invokable commands to `Symfony\Component\Console\Tester\CommandTester`
+ * Make `$input` argument for `Symfony\Component\Console\Tester\CommandTester` optional
 
 7.3
 ---
diff --git a/src/Symfony/Component/Console/Tester/CommandTester.php b/src/Symfony/Component/Console/Tester/CommandTester.php
index 714d88ad51dea..106c0268ec0bd 100644
--- a/src/Symfony/Component/Console/Tester/CommandTester.php
+++ b/src/Symfony/Component/Console/Tester/CommandTester.php
@@ -47,7 +47,7 @@ public function __construct(
      *
      * @return int The command exit code
      */
-    public function execute(array $input, array $options = []): int
+    public function execute(array $input = [], array $options = []): int
     {
         // set the command name automatically if the application requires
         // this argument and no command name was passed