diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index cf7aa48..8091b06 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,18 +9,28 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '7.4', '8.0', '8.1', '8.2' ]
-        laravel: [ '8.*', '9.*', '10.*' ]
+        php: [ 7.4, '8.0', 8.1, 8.2, 8.3 ]
+        laravel: [ 8.*, 9.*, 10.*, 11.* ]
         stability: [ prefer-lowest, prefer-stable ]
         exclude:
-          - laravel: '8.*'
-            php: '8.2'
-          - laravel: '9.*'
-            php: '7.4'
-          - laravel: '10.*'
-            php: '7.4'
-          - laravel: '10.*'
+          - laravel: 8.*
+            php: 8.2
+          - laravel: 8.*
+            php: 8.3
+          - laravel: 9.*
+            php: 7.4
+          - laravel: 9.*
+            php: 8.3
+          - laravel: 10.*
+            php: 7.4
+          - laravel: 10.*
             php: '8.0'
+          - laravel: 11.*
+            php: 7.4
+          - laravel: 11.*
+            php: '8.0'
+          - laravel: 11.*
+            php: 8.1
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }}
 
diff --git a/composer.json b/composer.json
index 120a834..973469f 100644
--- a/composer.json
+++ b/composer.json
@@ -5,8 +5,8 @@
     "require": {
         "php": "^7.4|^8.0",
         "ext-json": "*",
-        "illuminate/collections": "^8.0|^9.0|^10.0",
-        "illuminate/contracts": "^8.0|^9.0|^10.0",
+        "illuminate/collections": "^8.0|^9.0|^10.0|^11.0",
+        "illuminate/contracts": "^8.0|^9.0|^10.0|^11.0",
         "php-http/discovery": "^1.9",
         "psr/http-client": "^1.0",
         "psr/http-client-implementation": "^1.0",