diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index b27c01c7..02f1fc98 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -32,15 +32,16 @@ jobs:
 
       - name: Setup dependencies
         run: |
-          composer require -n --no-progress overtrue/phplint phpunit/phpunit ipl/stdlib:@dev ipl/html:@dev
-          git clone --depth 1 https://github.com/Icinga/icingaweb2.git vendor/icingaweb2
-          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-cube.git vendor/cube
+          composer require -n --no-progress overtrue/phplint phpunit/phpunit phpstan/phpstan
+          sudo git clone --depth 1 https://github.com/Icinga/icingaweb2.git /icingaweb2
+          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 -b snapshot/nightly https://github.com/Icinga/icinga-php-library.git /usr/share/icinga-php/ipl
+          sudo git clone --depth 1 https://github.com/Icinga/icingaweb2-module-cube.git /usr/share/icingaweb2-modules/cube
 
       - name: Setup Incubator
         run: |
-          git clone --depth 1 https://github.com/Icinga/icingaweb2-module-incubator vendor/incubator
-          cd vendor/incubator
+          sudo git clone --depth 1 https://github.com/Icinga/icingaweb2-module-incubator /usr/share/icingaweb2-modules/incubator
+          cd /usr/share/icingaweb2-modules/incubator
           composer require --no-update \
           "gipfl/calendar": "dev-master as 99.x-dev" \
           "gipfl/cli": "dev-master as 99.x-dev" \
@@ -82,7 +83,7 @@ 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 a3df34c0..1db016e6 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -17,8 +17,11 @@ parameters:
         - '#. but return statement is missing#'
 
     scanDirectories:
-        - vendor
-        - library/Director/Test
+        - /icingaweb2
+        - /usr/share/icinga-php
+        - /usr/share/icingaweb2-modules/incubator
+        - /usr/share/icingaweb2-modules/cube
+
     excludePaths:
         - library/Director/CoreBeta