diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 23cfd728b..cf1784de2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
+                php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
 
             fail-fast: false
 
diff --git a/composer.json b/composer.json
index dbe1f540f..0c8b07102 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		}
 	],
 	"require": {
-		"php": ">=7.2 <8.3",
+		"php": "7.2 - 8.3",
 		"ext-tokenizer": "*",
 		"nette/neon": "^3.3 || ^4.0",
 		"nette/php-generator": "^3.5.4 || ^4.0",
diff --git a/readme.md b/readme.md
index 9284ef5e6..0769403c8 100644
--- a/readme.md
+++ b/readme.md
@@ -37,7 +37,7 @@ The recommended way to install is via Composer:
 composer require nette/di
 ```
 
-It requires PHP version 7.2 and supports PHP up to 8.2.
+It requires PHP version 7.2 and supports PHP up to 8.3.
 
 
 Usage