diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index ab725be1..716b5802 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -17,11 +17,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.0']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
         os: ['ubuntu-latest']
-        include:
-          - php: '7.0'
-            allow_failure: true
 
     steps:
       - name: Checkout code base
diff --git a/README.md b/README.md
index d9f8eefe..45a28a44 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Icinga DB Web
 
-[![PHP Support](https://img.shields.io/badge/php-%3E%3D%207.0-777BB4?logo=PHP)](https://php.net/)
+[![PHP Support](https://img.shields.io/badge/php-%3E%3D%207.2-777BB4?logo=PHP)](https://php.net/)
 ![Build Status](https://github.com/icinga/icingaweb2-module-icingadb/workflows/PHP%20Tests/badge.svg?branch=master)
 [![Github Tag](https://img.shields.io/github/tag/Icinga/icingaweb2-module-icingadb.svg)](https://github.com/Icinga/icingaweb2-module-icingadb)
 
diff --git a/doc/02-Installation.md b/doc/02-Installation.md
index 4dc4b6f8..9d29db45 100644
--- a/doc/02-Installation.md
+++ b/doc/02-Installation.md
@@ -6,14 +6,13 @@
 
 ## Requirements
 
-* PHP (>= 7.3)
-  * Older versions (7.0+) still work, but may stop doing so with near future updates
+* PHP (>= 7.2)
 * MySQL or PostgreSQL PHP libraries
 * The following PHP modules must be installed: cURL, dom, json, libxml, pdo
 * [Icinga DB](https://github.com/Icinga/icingadb)
 * [Icinga Web 2](https://github.com/Icinga/icingaweb2) (>= 2.9)
-* [Icinga PHP Library (ipl)](https://github.com/Icinga/icinga-php-library) (>= 0.7)
-* [Icinga PHP Thirdparty](https://github.com/Icinga/icinga-php-thirdparty) (>= 0.10)
+* [Icinga PHP Library (ipl)](https://github.com/Icinga/icinga-php-library) (>= 0.9)
+* [Icinga PHP Thirdparty](https://github.com/Icinga/icinga-php-thirdparty) (>= 0.11)
 * For exports to PDF the [pdfexport](https://github.com/Icinga/icingaweb2-module-pdfexport) (>= 0.10)
   module is required (Optional)
 
diff --git a/library/Icingadb/Model/Behavior/Bitmask.php b/library/Icingadb/Model/Behavior/Bitmask.php
index 0207589e..f8d91f62 100644
--- a/library/Icingadb/Model/Behavior/Bitmask.php
+++ b/library/Icingadb/Model/Behavior/Bitmask.php
@@ -62,7 +62,7 @@ class Bitmask extends PropertyBehavior implements RewriteFilterBehavior
 
         $values = $condition->getValue();
         if (! is_array($values)) {
-            if (ctype_digit($values)) {
+            if (is_int($values) || ctype_digit($values)) {
                 return;
             }
 
diff --git a/library/Icingadb/Model/Behavior/IdKey.php b/library/Icingadb/Model/Behavior/IdKey.php
index ddc903df..bdad3c16 100644
--- a/library/Icingadb/Model/Behavior/IdKey.php
+++ b/library/Icingadb/Model/Behavior/IdKey.php
@@ -19,7 +19,7 @@ class IdKey implements RewriteFilterBehavior
         $column = $condition->metaData()->get('columnName');
         if ($column === 'id' || substr($column, -3) === '_id') {
             $value = $condition->getValue();
-            if ($value && ctype_alnum($value)) {
+            if ($value && is_string($value) && ctype_alnum($value)) {
                 $condition->setValue(hex2bin($value));
             }
         }
diff --git a/library/Icingadb/Model/Behavior/Timestamp.php b/library/Icingadb/Model/Behavior/Timestamp.php
index b29b3d62..b3654910 100644
--- a/library/Icingadb/Model/Behavior/Timestamp.php
+++ b/library/Icingadb/Model/Behavior/Timestamp.php
@@ -23,7 +23,7 @@ class Timestamp extends PropertyBehavior
             return $value;
         }
 
-        if (! ctype_digit($value)) {
+        if (is_string($value) && ! ctype_digit($value)) {
             $timestamp = strtotime($value);
             if ($timestamp === false) {
                 return $value;
diff --git a/library/Icingadb/Redis/VolatileStateResults.php b/library/Icingadb/Redis/VolatileStateResults.php
index d65e8bef..86cceb7a 100644
--- a/library/Icingadb/Redis/VolatileStateResults.php
+++ b/library/Icingadb/Redis/VolatileStateResults.php
@@ -27,7 +27,7 @@ class VolatileStateResults extends ResultSet
         return parent::current();
     }
 
-    public function key()
+    public function key(): int
     {
         if (! $this->updatesApplied && ! $this->isCacheDisabled) {
             $this->rewind();
@@ -36,7 +36,7 @@ class VolatileStateResults extends ResultSet
         return parent::key();
     }
 
-    public function rewind()
+    public function rewind(): void
     {
         if (! $this->updatesApplied && ! $this->isCacheDisabled) {
             $this->updatesApplied = true;
diff --git a/library/Icingadb/Setup/IcingaDbWizard.php b/library/Icingadb/Setup/IcingaDbWizard.php
index 5c3b45a0..2ad514a5 100644
--- a/library/Icingadb/Setup/IcingaDbWizard.php
+++ b/library/Icingadb/Setup/IcingaDbWizard.php
@@ -4,7 +4,6 @@
 
 namespace Icinga\Module\Icingadb\Setup;
 
-use Icinga\Application\Platform;
 use Icinga\Module\Setup\Forms\SummaryPage;
 use Icinga\Module\Setup\Requirement\PhpModuleRequirement;
 use Icinga\Module\Setup\Requirement\PhpVersionRequirement;
@@ -51,35 +50,19 @@ class IcingaDbWizard extends Wizard implements SetupWizard
     {
         $set = new RequirementSet();
 
-        $phpVersion = Platform::getPhpVersion();
-
-        if (
-            version_compare($phpVersion, '7.0', '>=')
-            && version_compare($phpVersion, '7.3', '<')
-        ) {
-            $set->add(new PhpVersionRequirement([
-                'optional'      => true,
-                'condition'     => ['>=', '7.3'],
-                'description'   => t(
-                    'For Icinga DB Web PHP 7.3+ is highly recommended.'
-                    . ' Older versions still work, but may stop doing so with near future updates.'
-                )
-            ]));
-        } else {
-            $set->add(new PhpVersionRequirement([
-                'condition'     => ['>=', '7.3'],
-                'description'   => t('Icinga DB Web requires PHP version 7.3.')
-            ]));
-        }
+        $set->add(new PhpVersionRequirement([
+            'condition'     => ['>=', '7.2'],
+            'description'   => sprintf(t('Icinga DB Web requires PHP version %s.'), '7.2')
+        ]));
 
         $set->add(new WebLibraryRequirement([
-            'condition'     => ['icinga-php-library', '>=', '0.7.0'],
+            'condition'     => ['icinga-php-library', '>=', '0.9.0'],
             'alias'         => 'Icinga PHP library',
             'description'   => t('The Icinga PHP library (IPL) is required for Icinga DB Web')
         ]));
 
         $set->add(new WebLibraryRequirement([
-            'condition'     => ['icinga-php-thirdparty', '>=', '0.10.0'],
+            'condition'     => ['icinga-php-thirdparty', '>=', '0.11.0'],
             'alias'         => 'Icinga PHP Thirdparty',
             'description'   => t('The Icinga PHP Thirdparty library is required for Icinga DB Web')
         ]));
diff --git a/library/Icingadb/Widget/Detail/ObjectDetail.php b/library/Icingadb/Widget/Detail/ObjectDetail.php
index 2aeb6475..c2898ed5 100644
--- a/library/Icingadb/Widget/Detail/ObjectDetail.php
+++ b/library/Icingadb/Widget/Detail/ObjectDetail.php
@@ -17,11 +17,11 @@ use Icinga\Module\Icingadb\Common\HostLinks;
 use Icinga\Module\Icingadb\Common\Icons;
 use Icinga\Module\Icingadb\Common\Links;
 use Icinga\Module\Icingadb\Common\Macros;
+use Icinga\Module\Icingadb\Compat\CompatHost;
 use Icinga\Module\Icingadb\Model\CustomvarFlat;
 use Icinga\Module\Icingadb\Web\Navigation\Action;
 use Icinga\Module\Icingadb\Widget\MarkdownText;
 use Icinga\Module\Icingadb\Common\ServiceLinks;
-use Icinga\Module\Icingadb\Compat\CompatObject;
 use Icinga\Module\Icingadb\Forms\Command\Object\ToggleObjectFeaturesForm;
 use Icinga\Module\Icingadb\Hook\ActionsHook\ObjectActionsHook;
 use Icinga\Module\Icingadb\Hook\ExtensionHook\ObjectDetailExtensionHook;
@@ -34,7 +34,6 @@ use Icinga\Module\Icingadb\Widget\EmptyState;
 use Icinga\Module\Icingadb\Widget\StateChange;
 use ipl\Web\Widget\HorizontalKeyValue;
 use Icinga\Module\Icingadb\Widget\ItemList\CommentList;
-use Icinga\Module\Icingadb\Widget\Detail\PerfDataTable;
 use Icinga\Module\Icingadb\Widget\PluginOutputContainer;
 use Icinga\Module\Icingadb\Widget\ShowMore;
 use Icinga\Module\Icingadb\Widget\TagList;
@@ -75,7 +74,7 @@ class ObjectDetail extends BaseHtmlElement
     public function __construct($object)
     {
         $this->object = $object;
-        $this->compatObject = CompatObject::fromModel($object);
+        $this->compatObject = CompatHost::fromModel($object);
         $this->objectType = $object instanceof Host ? 'host' : 'service';
     }
 
diff --git a/module.info b/module.info
index 379ee174..c4e497f7 100644
--- a/module.info
+++ b/module.info
@@ -1,6 +1,6 @@
 Module: icingadb
 Version: 1.0.0-rc2
 Requires:
-  Libraries: icinga-php-library (>=0.7.0), icinga-php-thirdparty (>=0.10.0)
+  Libraries: icinga-php-library (>=0.9.0), icinga-php-thirdparty (>=0.11.0)
 Description: Icinga DB Web
   UI for Icinga DB – Provides a graphical interface to your Icinga monitoring