diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 460e8a28a..ab1c41e1e 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: ['7.4', '8.0', '8.1', '8.2']
+        php-version: ['7.4', '8.0', '8.1', '8.2', '8.3']
       fail-fast: false
 
     steps:
diff --git a/package.yml b/package.yml
index f079c0edb..3b70cbe32 100644
--- a/package.yml
+++ b/package.yml
@@ -29,7 +29,7 @@ page:
 
 requires:
     php:
-        version: '>=7.4, <8.3'
+        version: '>=7.4, <8.4'
     redaxo: '^5.14'
 
 installer_ignore: