diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index e21f78b..0e0f02c 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -18,6 +18,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
 
     steps:
       - name: Checkout
diff --git a/.laminas-ci.json b/.laminas-ci.json
index 82cd446..29216fa 100644
--- a/.laminas-ci.json
+++ b/.laminas-ci.json
@@ -1,6 +1,3 @@
 {
-  "ignore_php_platform_requirements": {
-    "8.4": true
-  },
   "backwardCompatibilityCheck": true
 }
diff --git a/README.md b/README.md
index 591c206..622ea9a 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Each role can have one or multiple permissions/privileges assigned.
 When deciding if a user is authorized, the requested permission is checked in all user roles and if at least one role has that permission, access is granted.
 
 ![OSS Lifecycle](https://img.shields.io/osslifecycle/dotkernel/dot-rbac)
-![PHP from Packagist (specify version)](https://img.shields.io/packagist/php-v/dotkernel/dot-rbac/4.0.0)
+![PHP from Packagist (specify version)](https://img.shields.io/packagist/php-v/dotkernel/dot-rbac/4.0.1)
 
 [![GitHub issues](https://img.shields.io/github/issues/dotkernel/dot-rbac)](https://github.com/dotkernel/dot-rbac/issues)
 [![GitHub forks](https://img.shields.io/github/forks/dotkernel/dot-rbac)](https://github.com/dotkernel/dot-rbac/network)
diff --git a/composer.json b/composer.json
index 1c7b679..70ff972 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "require-dev": {
         "laminas/laminas-coding-standard": "^3.0",
         "phpunit/phpunit": "^10.2",
-        "vimeo/psalm": "^5.13"
+        "vimeo/psalm": "^6.0"
     },
     "autoload": {
         "psr-4": {