diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bcf93a3..723c031 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', '8.3']
+                php: ['8.0', '8.1', '8.2', '8.3', '8.4']
 
             fail-fast: false
 
diff --git a/composer.json b/composer.json
index 0bfab9b..31a02b9 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		}
 	],
 	"require": {
-		"php": "8.0 - 8.3"
+		"php": "8.0 - 8.4"
 	},
 	"require-dev": {
 		"nette/tester": "^2.5",
diff --git a/readme.md b/readme.md
index 67e052f..58a81db 100644
--- a/readme.md
+++ b/readme.md
@@ -13,6 +13,6 @@ Install it using Composer:
 composer require nette/command-line
 ```
 
-It requires PHP version 8.0 and supports PHP up to 8.3.
+It requires PHP version 8.0 and supports PHP up to 8.4.
 
 If you like Nette, **[please make a donation now](https://nette.org/donate)**. Thank you!