diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 368a8137..c45c3929 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -17,10 +17,8 @@ jobs:
           - 7.2
           - 7.3
           - 7.4
-        composer-args: [ "" ]
-        include:
-          - php: 8.0
-            composer-args: --ignore-platform-reqs
+          - 8.0
+          - 8.1
       fail-fast: false
 
     steps:
@@ -40,7 +38,7 @@ jobs:
           restore-keys: ${{ runner.os }}-php-${{ matrix.php }}-composer-
 
       - name: Install dependencies
-        run: composer install --prefer-dist --no-progress --no-suggest ${{ matrix.composer-args }}
+        run: composer install --prefer-dist --no-progress --no-suggest
 
       - name: Tests
         run: composer test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 006fec8d..10b3aa25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 Previous releases are documented in [github releases](https://github.com/oscarotero/Gettext/releases)
 
+## [5.6.1] - 2021-12-04
+### Fixed
+- PHP 8.1 support [#278].
+
 ## [5.6.0] - 2021-11-05
 ### Added
 - New method `addFlag` to `ParsedFunction`, that allows to assign flags by scanners.
@@ -107,7 +111,9 @@ Previous releases are documented in [github releases](https://github.com/oscarot
 [#263]: https://github.com/php-gettext/Gettext/issues/263
 [#265]: https://github.com/php-gettext/Gettext/issues/265
 [#276]: https://github.com/php-gettext/Gettext/issues/276
+[#278]: https://github.com/php-gettext/Gettext/issues/278
 
+[5.6.1]: https://github.com/php-gettext/Gettext/compare/v5.6.0...v5.6.1
 [5.6.0]: https://github.com/php-gettext/Gettext/compare/v5.5.4...v5.6.0
 [5.5.4]: https://github.com/php-gettext/Gettext/compare/v5.5.3...v5.5.4
 [5.5.3]: https://github.com/php-gettext/Gettext/compare/v5.5.2...v5.5.3