diff --git a/ChangeLog-8.5.md b/ChangeLog-8.5.md
index 6c04bf0085c..8c80b563d22 100644
--- a/ChangeLog-8.5.md
+++ b/ChangeLog-8.5.md
@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 8.5 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [8.5.1] - 2019-MM-DD
+## [8.5.1] - 2019-12-25
 
 ### Fixed
 
@@ -27,5 +27,5 @@ All notable changes of the PHPUnit 8.5 release series are documented in this fil
 * Fixed [#3967](https://github.com/sebastianbergmann/phpunit/issues/3967): Cannot double interface that extends interface that extends `\Throwable`
 * Fixed [#3968](https://github.com/sebastianbergmann/phpunit/pull/3968): Test class run in a separate PHP process are passing when `exit` called inside
 
-[8.5.1]: https://github.com/sebastianbergmann/phpunit/compare/8.5.0...8.5
+[8.5.1]: https://github.com/sebastianbergmann/phpunit/compare/8.5.0...8.5.1
 [8.5.0]: https://github.com/sebastianbergmann/phpunit/compare/8.4.3...8.5.0
diff --git a/src/Runner/Version.php b/src/Runner/Version.php
index b6f7720b88f..0a3a65e5827 100644
--- a/src/Runner/Version.php
+++ b/src/Runner/Version.php
@@ -33,7 +33,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = (new VersionId('8.5.0', \dirname(__DIR__, 2)))->getVersion();
+            self::$version = (new VersionId('8.5.1', \dirname(__DIR__, 2)))->getVersion();
         }
 
         return self::$version;