diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index c3dd797..e38400a 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -11,7 +11,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [ "8.1", "8.2", "8.3", "8.4" ]
+                php: [ "8.1", "8.2", "8.3", "8.4", "8.5" ]
 
         name: PHP ${{ matrix.php }}
 
diff --git a/composer.json b/composer.json
index 7b77746..dd118c0 100644
--- a/composer.json
+++ b/composer.json
@@ -50,7 +50,7 @@
         "voku/portable-ascii": "^1.4.8 || ^2.0.1"
     },
     "require-dev": {
-        "illuminate/contracts": "^9.0 || ^10.0 || ^11.0 || ^12.0",
+        "illuminate/contracts": "^9.0 || ^10.0 || ^11.0 || ^12.0 || ^13.0",
         "phpunit/phpunit": "^9.6 || ^11.0 || ^12.0",
         "symfony/var-dumper": "^6.0 || ^7.0"
     },
@@ -93,4 +93,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}