diff --git a/.github/workflows/php-checks.yml b/.github/workflows/php-checks.yml
index 12e98f3..b903d6c 100644
--- a/.github/workflows/php-checks.yml
+++ b/.github/workflows/php-checks.yml
@@ -6,11 +6,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.2', '8.3', '8.4']
+        php-versions: ['8.2', '8.3', '8.4', '8.5']
     name: PHP ${{ matrix.php-versions }} tests
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e835761..1bc2674 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 6.0.1
+
+- Added support for PHP `8.5`.
+
 ## 6.0.0
 
 ### PHP support
diff --git a/composer.json b/composer.json
index ef97699..918c11b 100644
--- a/composer.json
+++ b/composer.json
@@ -35,12 +35,12 @@
     ]
   },
   "require": {
-    "php": "8.2 - 8.4"
+    "php": "8.2 - 8.5"
   },
   "require-dev": {
-    "phpstan/phpstan": "2.0.3",
-    "phpunit/phpunit": "11.5.1",
-    "squizlabs/php_codesniffer": "3.11.2",
+    "phpstan/phpstan": "2.1.32",
+    "phpunit/phpunit": "11.5.44",
+    "squizlabs/php_codesniffer": "4.0.1",
     "friendsofphp/php-cs-fixer": "^3.65"
   }
 }