diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 639d6f5..fd0e98f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,4 +23,4 @@ jobs:
     with:
       concurrency-group: phpunit-${{ github.workflow }}-${{ github.ref }}
       extensions: gd, intl, pdo, pdo_sqlite
-      php-version: '["8.3","8.4","8.5"]'
+      php-version: '["8.3","8.4","8.5", "8.6"]'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5e4b24..5d9503c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## 0.1.2 Under development
 
 - docs: integrate Yii3 Debug into the hosted API reference and complete PHPDoc descriptions.
+- ci: update PHP version matrix to include `8.6`,
 
 ## 0.1.1 October 29, 2026