diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index d76c50b..beb6b22 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -12,7 +12,7 @@ on:
 jobs:
   tester:
     name: "Tester"
-    uses: contributte/.github/.github/workflows/tester.yml@v1
+    uses: contributte/.github/.github/workflows/phpunit.yml@master
     with:
       php: "8.4"
       make: "init tests"
diff --git a/README.md b/README.md
index 9c7a070..748a19e 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,9 @@ https://examples.contributte.org/api-router-skeleton/
 
 ## Installation
 
-To install latest version of `contributte/api-router-skeleton` use [Composer](https://getcomposer.org).
+You will need `PHP 8.4+` and [Composer](https://getcomposer.org/).
+
+To install latest version of `contributte/api-router-skeleton` use Composer.
 
 ```
 composer create-project -s dev contributte/api-router-skeleton acme
diff --git a/phpstan.neon b/phpstan.neon
index ba6944d..08d3dfa 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -3,6 +3,7 @@ includes:
 
 parameters:
 	level: 8
+	phpVersion: 80400
 
 	paths:
 		- app
diff --git a/ruleset.xml b/ruleset.xml
index c968cc9..ac0c331 100644
--- a/ruleset.xml
+++ b/ruleset.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <ruleset name="Contributte">
 	<!-- Extending rulesets -->
-	<rule ref="./vendor/contributte/qa/ruleset.xml"/>
+	<rule ref="./vendor/contributte/qa/ruleset-8.4.xml"/>
 
 	<!-- Specific rules -->
 	<rule ref="SlevomatCodingStandard.Files.TypeNameMatchesFileName">