diff --git a/CHANGELOG.md b/CHANGELOG.md
index c64b5affc..a2b77bfb2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/laravel/compare/v8.5.5...master)
+## [Unreleased](https://github.com/laravel/laravel/compare/v8.5.6...master)
+
+
+## [v8.5.6 (2020-12-22)](https://github.com/laravel/laravel/compare/v8.5.5...v8.5.6)
+
+### Added
+- Add `lock_connection` ([](https://github.com/laravel/laravel/commit/bc339f712389cf536ad7e340453f35d1dd865777), [e8788a7](https://github.com/laravel/laravel/commit/e8788a768899ff2a2ef1fe78e24b46e6e10175dc))
 
 
 ## [v8.5.5 (2020-12-12)](https://github.com/laravel/laravel/compare/v8.5.4...v8.5.5)
diff --git a/config/cache.php b/config/cache.php
index 9473acc98..e32a2fd3b 100644
--- a/config/cache.php
+++ b/config/cache.php
@@ -46,6 +46,7 @@ return [
             'driver' => 'database',
             'table' => 'cache',
             'connection' => null,
+            'lock_connection' => null,
         ],
 
         'file' => [
@@ -75,6 +76,7 @@ return [
         'redis' => [
             'driver' => 'redis',
             'connection' => 'cache',
+            'lock_connection' => 'default',
         ],
 
         'dynamodb' => [