diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 239bdc4..58b8cf7 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 b7ae0ec..ce66c61 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		}
 	],
 	"require": {
-		"php": ">=8.0 <8.3",
+		"php": "8.0 - 8.3",
 		"ext-tokenizer": "*",
 		"nette/utils": "^4.0"
 	},
diff --git a/readme.md b/readme.md
index cfe2bb8..1dcd844 100644
--- a/readme.md
+++ b/readme.md
@@ -47,7 +47,7 @@ The recommended way to install is via Composer:
 composer require nette/robot-loader
 ```
 
-It requires PHP version 8.0 and supports PHP up to 8.2.
+It requires PHP version 8.0 and supports PHP up to 8.3.
 
 
 Usage