diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index de245800..fc233dc0 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
         os: ['ubuntu-latest']
 
     steps:
@@ -31,7 +31,14 @@ jobs:
           tools: phpcs
 
       - name: Setup dependencies
-        run: composer require -n --no-progress overtrue/phplint
+        run: |
+          composer require -n --no-progress overtrue/phplint
+          git clone --depth 1 https://github.com/Icinga/icingaweb2.git vendor/icingaweb2
+          git clone --depth 1 https://github.com/Icinga/icingaweb2-module-reporting.git vendor/reporting
+          git clone --depth 1 https://github.com/Icinga/icingaweb2-module-x509.git vendor/x509
+          git clone --depth 1 https://github.com/Icinga/icingaweb2-module-pdfexport.git vendor/pdfexport
+          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
 
       - name: PHP Lint
         if: success() || matrix.allow_failure
@@ -41,6 +48,10 @@ jobs:
         if: success() || matrix.allow_failure
         run: phpcs -wps --colors
 
+      - name: PHPStan
+        uses: php-actions/phpstan@v3
+        if: success() || matrix.allow_failure
+
   test:
     name: Unit tests with php ${{ matrix.php }} on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 00000000..bb4ffaf9
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,102 @@
+parameters:
+    level: 2
+
+    checkFunctionNameCase: true
+    checkMissingIterableValueType: true
+    checkInternalClassCaseSensitivity: true
+    checkDynamicProperties: true
+
+    paths:
+        - application
+        - library
+
+    scanDirectories:
+        - vendor
+
+    ignoreErrors:
+        - '#Unsafe usage of new static\(\)#'
+        - '#. but return statement is missing#'
+
+        -
+            message: '#Call to an undefined method Predis\\Client::hGet\(\)#'
+            path: library/Icingadb/Common/ObjectInspectionDetail.php
+
+        -
+            message: '#Call to an undefined method ipl\\Html\\Contract\\FormElement::.*#'
+            paths:
+                - application/controllers/ServicesController.php
+                - application/forms/Command/Instance/ToggleInstanceFeaturesForm.php
+                - application/forms/Command/Object/AcknowledgeProblemForm.php
+                - application/forms/Command/Object/AddCommentForm.php
+                - application/forms/Command/Object/ScheduleCheckForm.php
+                - application/forms/Command/Object/ScheduleHostDowntimeForm.php
+                - application/forms/Command/Object/ScheduleServiceDowntimeForm.php
+                - application/forms/Command/Object/SendCustomNotificationForm.php
+                - application/forms/SetAsBackendForm.php
+                - library/Icingadb/Web/Control/ProblemToggle.php
+                - library/Icingadb/Widget/ItemTable/StateItemTable.php
+
+        -
+            message: '#Call to an undefined method ipl\\Stdlib\\Filter\\Rule::.*#'
+            path: library/Icingadb/Common/Auth.php
+
+        -
+            message: '#Call to an undefined method ipl\\Html\\Contract\\Wrappable::.*#'
+            paths:
+                - application/forms/Command/Object/ScheduleServiceDowntimeForm.php
+                - application/forms/Command/Object/ToggleObjectFeaturesForm.php
+                - library/Icingadb/Widget/Detail/CustomVarTable.php
+                - library/Icingadb/Common/SearchControls.php
+
+        -
+            message: '#PHPDoc tag @param references unknown parameter: .*#'
+            path: library/Icingadb/Common/SearchControls.php
+
+        -
+            message: '#Call to an undefined method ipl\\Html\\BaseHtmlElement::getDetailActionsDisabled\(\)#'
+            path: library/Icingadb/Common/DetailActions.php
+
+        -
+            message: '#Call to an undefined method Zend_Form_Element::isChecked\(\)#'
+            path: application/forms/RedisConfigForm.php
+
+        -
+            message: '#Access to an undefined property Zend_View_Interface.*#'
+            path: application/controllers/ErrorController.php
+
+        -
+            message: '#Call to an undefined method Zend_Controller_Action_Helper_Abstract.*#'
+            path: application/controllers/ServicesController.php
+
+        -
+            message: '#Call to an undefined method Zend_Form_Element::isChecked\(\)#'
+            path: library/Icingadb/Setup/RedisPage.php
+
+        -
+            message: '#Call to an undefined method Icinga\\Web\\Form::.*#'
+            path: library/Icingadb/Setup/IcingaDbWizard.php
+
+        -
+            message: '#Call to an undefined method Zend_Form_Element::setMultiOptions\(\)#'
+            path: library/Icingadb/Setup/DbResourcePage.php
+
+        -
+            message: '#Cannot call method setErrorHandlerModule\(\) on array\|Zend_Controller_Plugin_Abstract\|false#'
+            path: library/Icingadb/Web/Controller.php
+
+        -
+            message: '#Cannot access property \$flatname on array\<int\|string, mixed\>#'
+            path: library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php
+
+        -
+            message: '#Access to an undefined property object::.*#'
+            paths:
+                - library/Icingadb/Widget/ItemList/StateListItem.php
+                - library/Icingadb/Widget/ItemList/BaseHistoryListItem.php
+                - library/Icingadb/Widget/Detail/ObjectDetail.php
+                - library/Icingadb/Model/CustomvarFlat.php
+
+    universalObjectCratesClasses:
+        - ipl\Orm\Model
+        - Icinga\Web\View
+        - Icinga\Data\ConfigObject