diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index d53ae66a..f5632b4d 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -21,12 +21,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
+        php-version: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
         dependencies: [highest]
         include:
           - php-version: "7.2"
             dependencies: lowest
-          - php-version: "8.5"
+          - php-version: "8.6"
             dependencies: ignore
             experimental: true
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 824690ff..3eeecfad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- Move PHP 8.5 to default add PHP 8.6 as experimental ([#852](https://github.com/jsonrainbow/json-schema/pull/852))
 ### Fixed
 - Allow underscore and tilde in URI hostnames as per RFC 3986 ([#853](https://github.com/jsonrainbow/json-schema/pull/853))