diff --git a/changelog.md b/changelog.md
index 222e1188ae..1ac4e5100e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -3,6 +3,24 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## 6.1.13 - 2024-04-01
+
+### Added
+
+- sha256 checksums for the release files
+- git HEAD added to the release files for easier validation
+
+### Changed
+
+- Updated pages in the `v2`-layout
+
+### Fixed
+
+- #8648
+- #8725
+- #8732
+- #8735
+
 ## 6.1.12 - 2024-03-21
 
 ### Fixed
diff --git a/tests/unit/Support/NavigationEndOfPeriodTest.php b/tests/unit/Support/NavigationEndOfPeriodTest.php
index 875ff1d7f2..8f28e92168 100644
--- a/tests/unit/Support/NavigationEndOfPeriodTest.php
+++ b/tests/unit/Support/NavigationEndOfPeriodTest.php
@@ -58,9 +58,9 @@ final class NavigationEndOfPeriodTest extends TestCase
             'month'                         => ['frequency' => 'month', 'from' => Carbon::now(), 'expected' => Carbon::now()->addMonth()->subDay()->endOfDay()],
             '1M'                            => ['frequency' => '1M', 'from' => Carbon::now(), 'expected' => Carbon::now()->addMonth()->subDay()->endOfDay()],
             'monthly'                       => ['frequency' => 'monthly', 'from' => Carbon::now(), 'expected' => Carbon::now()->addMonth()->subDay()->endOfDay()],
-            '3M'                            => ['frequency' => '3M', 'from' => Carbon::now(), 'expected' => Carbon::now()->addQuarterNoOverflow()->endOfDay()],
-            'quarter'                       => ['frequency' => 'quarter', 'from' => Carbon::now(), 'expected' => Carbon::now()->addQuarterNoOverflow()->endOfDay()],
-            'quarterly'                     => ['frequency' => 'quarterly', 'from' => Carbon::now(), 'expected' => Carbon::now()->addQuarterNoOverflow()->endOfDay()],
+            '3M'                            => ['frequency' => '3M', 'from' => Carbon::now(), 'expected' => Carbon::now()->addQuarter()->subDay()->endOfDay()],
+            'quarter'                       => ['frequency' => 'quarter', 'from' => Carbon::now(), 'expected' => Carbon::now()->addQuarter()->subDay()->endOfDay()],
+            'quarterly'                     => ['frequency' => 'quarterly', 'from' => Carbon::now(), 'expected' => Carbon::now()->addQuarter()->subDay()->endOfDay()],
             'year'                          => ['frequency' => 'year', 'from' => Carbon::now(), 'expected' => Carbon::now()->addYearNoOverflow()->subDay()->endOfDay()],
             'yearly'                        => ['frequency' => 'yearly', 'from' => Carbon::now(), 'expected' => Carbon::now()->addYearNoOverflow()->subDay()->endOfDay()],
             '1Y'                            => ['frequency' => '1Y', 'from' => Carbon::now(), 'expected' => Carbon::now()->addYearNoOverflow()->subDay()->endOfDay()],