diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a3ff4f995..0a7903fc9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['8.0', '8.1', '8.2']
+                php: ['8.0', '8.1', '8.2', '8.3']
 
             fail-fast: false
 
diff --git a/composer.json b/composer.json
index 8dfe8dc89..6ecc90313 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		}
 	],
 	"require": {
-		"php": ">=8.0 <8.3",
+		"php": ">=8.0 <8.4",
 		"ext-json": "*",
 		"ext-tokenizer": "*"
 	},