diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 144b369..7aac261 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 9b940cb..41ba39e 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		}
 	],
 	"require": {
-		"php": "8.1 - 8.3",
+		"php": "8.1 - 8.4",
 		"nette/utils": "^4.0"
 	},
 	"require-dev": {