diff --git a/ChangeLog-10.0.md b/ChangeLog-10.0.md
index 7313097e390..ddc60059006 100644
--- a/ChangeLog-10.0.md
+++ b/ChangeLog-10.0.md
@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 10.0 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [10.0.3] - 2023-MM-DD
+## [10.0.3] - 2023-02-04
 
 ### Added
 
@@ -151,7 +151,7 @@ All notable changes of the PHPUnit 10.0 release series are documented in this fi
 * The CLI test runner can no longer be extended through inheritance, the `PHPUnit\TextUI\Command` class has been removed
 * PHP 7.3, PHP 7.4, and PHP 8.0 are no longer supported
 
-[10.0.3]: https://github.com/sebastianbergmann/phpunit/compare/10.0.2...10.0
+[10.0.3]: https://github.com/sebastianbergmann/phpunit/compare/10.0.2...10.0.3
 [10.0.2]: https://github.com/sebastianbergmann/phpunit/compare/10.0.1...10.0.2
 [10.0.1]: https://github.com/sebastianbergmann/phpunit/compare/10.0.0...10.0.1
 [10.0.0]: https://github.com/sebastianbergmann/phpunit/compare/9.6...10.0.0
diff --git a/ChangeLog-9.6.md b/ChangeLog-9.6.md
index a8ad6495a73..2491e3034b8 100644
--- a/ChangeLog-9.6.md
+++ b/ChangeLog-9.6.md
@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 9.6 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [9.6.3] - 2023-MM-DD
+## [9.6.3] - 2023-02-04
 
 ### Fixed
 
@@ -30,7 +30,7 @@ All notable changes of the PHPUnit 9.6 release series are documented in this fil
 * [#5064](https://github.com/sebastianbergmann/phpunit/issues/5064): Deprecate `PHPUnit\Framework\TestCase::getMockClass()`
 * [#5132](https://github.com/sebastianbergmann/phpunit/issues/5132): Deprecate `Test` suffix for abstract test case classes
 
-[9.6.3]: https://github.com/sebastianbergmann/phpunit/compare/9.6.2...9.6
+[9.6.3]: https://github.com/sebastianbergmann/phpunit/compare/9.6.2...9.6.3
 [9.6.2]: https://github.com/sebastianbergmann/phpunit/compare/9.6.1...9.6.2
 [9.6.1]: https://github.com/sebastianbergmann/phpunit/compare/9.6.0...9.6.1
 [9.6.0]: https://github.com/sebastianbergmann/phpunit/compare/9.5.28...9.6.0