diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index fb01c9f39..89330aba3 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -33,12 +33,12 @@ jobs:
 
       - name: Setup dependencies
         run: |
-          composer require -n --no-progress overtrue/phplint
-          git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-library.git vendor/icinga-php-library
-          git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-thirdparty.git vendor/icinga-php-thirdparty
-          git clone --depth 1 https://github.com/Icinga/icingaweb2-module-x509.git vendor/modules/x509-web 
-          git clone --depth 1 https://github.com/Icinga/icingadb-web.git vendor/modules/icingadb-web
-          git clone --depth 1 https://github.com/Icinga/icingaweb2-module-pdfexport.git vendor/modules/pdfexport-web
+          composer require -n --no-progress overtrue/phplint phpstan/phpstan
+          sudo git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-library.git /usr/share/icinga-php/ipl
+          sudo git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-thirdparty.git /usr/share/icinga-php/vendor
+          sudo git clone --depth 1 https://github.com/Icinga/icingaweb2-module-x509.git /usr/share/icingaweb2-modules/x509
+          sudo git clone --depth 1 https://github.com/Icinga/icingadb-web.git /usr/share/icingaweb2-modules/icingadb
+          sudo git clone --depth 1 https://github.com/Icinga/icingaweb2-module-pdfexport.git /usr/share/icingaweb2-modules/pdfexport
 
       - name: PHP Lint
         if: ${{ ! cancelled() }}
@@ -50,7 +50,7 @@ jobs:
 
       - name: PHPStan
         if: ${{ ! cancelled() }}
-        uses: php-actions/phpstan@v3
+        run: ./vendor/bin/phpstan analyse
 
   test:
     name: Unit tests with php ${{ matrix.php }} on ${{ matrix.os }}
diff --git a/phpstan.neon b/phpstan.neon
index 9da27bcff..8126806a8 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -52,7 +52,8 @@ parameters:
         - '#Call to an undefined method ipl\\Sql\\Connection::exec\(\)#'
 
     scanDirectories:
-        - vendor
+        - /usr/share/icinga-php
+        - /usr/share/icingaweb2-modules
 
     excludePaths:
         - library/Icinga/Test