diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2d177588..6e5116ac 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['8.1', '8.2', '8.3']
+                php: ['8.1', '8.2', '8.3', '8.4']
 
             fail-fast: false
 
diff --git a/composer.json b/composer.json
index 40c44dac..919069aa 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		}
 	],
 	"require": {
-		"php": "8.1 - 8.3",
+		"php": "8.1 - 8.4",
 		"nette/component-model": "^3.1",
 		"nette/http": "^3.3",
 		"nette/utils": "^4.0.4"
diff --git a/readme.md b/readme.md
index feca8b09..630329ee 100644
--- a/readme.md
+++ b/readme.md
@@ -44,7 +44,7 @@ The recommended way to install is via Composer:
 composer require nette/forms
 ```
 
-It requires PHP version 8.1 and supports PHP up to 8.3.
+It requires PHP version 8.1 and supports PHP up to 8.4.
 
 
 Client-side support can be installed with npm or yarn: