diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e9a249c..bb5468f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [ 8.1, 8.2 ]
+        php: [ 8.1, 8.2, 8.3 ]
         os: [ ubuntu-latest, windows-latest ]
 
     name: PHP${{ matrix.php }} - ${{ matrix.os }}
diff --git a/composer.json b/composer.json
index bdfc5e7..3ebffa6 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     }
   ],
   "require": {
-    "php": "~8.1.0 || ~8.2.0",
+    "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
     "league/container": "^3.2",
     "phpdocumentor/reflection-docblock": "^5.2",
     "phpdocumentor/type-resolver": "^1.6",