diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a63c58e..da0fb39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,9 +51,9 @@ jobs:
     - name: Run PHPUnit
       run: |
         if [[ ${{ matrix.php-version }} == '8.5' ]]; then
-          vendor/bin/phpunit --display-warnings --display-deprecations --display-phpunit-deprecations --display-incomplete --display-skipped --coverage-clover=coverage.xml
+        vendor/bin/phpunit --display-all-issues --fail-on-all-issues --do-not-fail-on-skipped --do-not-fail-on-incomplete  --coverage-clover=coverage.xml
         else
-          vendor/bin/phpunit --display-warnings --display-deprecations
+        vendor/bin/phpunit --display-phpunit-deprecations --display-warnings --display-deprecations
         fi
 
     - name: Code Coverage Report
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index dd6f180..2bd6c76 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1,12 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="6.0.0@b8e96bb617bf59382113b1b56cef751f648a7dc9">
+<files psalm-version="6.15.1@28dc127af1b5aecd52314f6f645bafc10d0e11f9">
   <file src="src/Pdf/CakePdf.php">
     <InvalidDocblock>
       <code><![CDATA[public function cache(bool|string|null $cache = null): static|string|false]]></code>
       <code><![CDATA[public function delay(?int $delay = null): static|int|null]]></code>
       <code><![CDATA[public function encoding(?string $encoding = null): static|string]]></code>
-      <code><![CDATA[public function footer(string|array|null $left = null, ?string $center = null, ?string $right = null): static|array]]></code>
-      <code><![CDATA[public function header(string|array|null $left = null, ?string $center = null, ?string $right = null): static|array]]></code>
       <code><![CDATA[public function helpers(?array $helpers = null): static|array]]></code>
       <code><![CDATA[public function html(?string $html = null): static|string]]></code>
       <code><![CDATA[public function layoutPath(?string $layoutPath = null): static|string]]></code>
@@ -29,59 +27,5 @@
       <code><![CDATA[public function viewVars(?array $viewVars = null): static|array]]></code>
       <code><![CDATA[public function windowStatus(?string $status = null): static|string|null]]></code>
     </InvalidDocblock>
-    <PossiblyInvalidArgument>
-      <code><![CDATA[$cache]]></code>
-      <code><![CDATA[$cache]]></code>
-      <code><![CDATA[$cache]]></code>
-      <code><![CDATA[$viewClass]]></code>
-    </PossiblyInvalidArgument>
-    <PossiblyInvalidPropertyAssignmentValue>
-      <code><![CDATA[$cache]]></code>
-      <code><![CDATA[$permissions]]></code>
-    </PossiblyInvalidPropertyAssignmentValue>
-  </file>
-  <file src="src/Pdf/Crypto/PdftkCrypto.php">
-    <PossiblyInvalidArgument>
-      <code><![CDATA[$ownerPassword]]></code>
-      <code><![CDATA[$userPassword]]></code>
-    </PossiblyInvalidArgument>
-  </file>
-  <file src="src/Pdf/Engine/DomPdfEngine.php">
-    <PossiblyInvalidArgument>
-      <code><![CDATA[$Pdf->html()]]></code>
-      <code><![CDATA[$this->_Pdf->orientation()]]></code>
-      <code><![CDATA[$this->_Pdf->pageSize()]]></code>
-    </PossiblyInvalidArgument>
-  </file>
-  <file src="src/Pdf/Engine/MpdfEngine.php">
-    <PossiblyInvalidArgument>
-      <code><![CDATA[$format]]></code>
-      <code><![CDATA[$this->_Pdf->html()]]></code>
-    </PossiblyInvalidArgument>
-    <PossiblyInvalidOperand>
-      <code><![CDATA[$format]]></code>
-    </PossiblyInvalidOperand>
-  </file>
-  <file src="src/Pdf/Engine/TcpdfEngine.php">
-    <PossiblyInvalidArgument>
-      <code><![CDATA[$this->_Pdf->html()]]></code>
-      <code><![CDATA[$this->_Pdf->orientation()]]></code>
-    </PossiblyInvalidArgument>
-  </file>
-  <file src="src/Pdf/Engine/TexToPdfEngine.php">
-    <PossiblyInvalidArgument>
-      <code><![CDATA[$output]]></code>
-      <code><![CDATA[$output]]></code>
-      <code><![CDATA[$this->_Pdf->encoding()]]></code>
-    </PossiblyInvalidArgument>
-  </file>
-  <file src="src/Pdf/Engine/WkHtmlToPdfEngine.php">
-    <PossibleRawObjectIteration>
-      <code><![CDATA[$margin]]></code>
-    </PossibleRawObjectIteration>
-    <PossiblyInvalidArgument>
-      <code><![CDATA[$this->_Pdf->html()]]></code>
-      <code><![CDATA[$value]]></code>
-    </PossiblyInvalidArgument>
   </file>
 </files>
diff --git a/psalm.xml b/psalm.xml
index c90aaac..8cdd551 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0"?>
 <psalm
+    errorLevel="4"
     resolveFromConfigFile="true"
     autoloader="tests/bootstrap.php"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
@@ -16,24 +17,7 @@
         </ignoreFiles>
     </projectFiles>
 
-    <stubs>
-        <file name="vendor/cakephp/cakephp/src/Core/Exception/CakeException.php" preloadClasses="true" />
-    </stubs>
-
     <issueHandlers>
-        <LessSpecificReturnType errorLevel="info" />
-
-        <MissingClosureReturnType errorLevel="info" />
-        <MissingPropertyType errorLevel="info" />
-
-        <PropertyNotSetInConstructor errorLevel="info" />
-        <MissingConstructor errorLevel="info" />
-        <MissingClosureParamType errorLevel="info" />
-
-        <DocblockTypeContradiction errorLevel="info" />
-        <RedundantConditionGivenDocblockType errorLevel="info" />
-
-        <UnsafeInstantiation errorLevel="info" />
-        <RiskyTruthyFalsyComparison errorLevel="info" />
+        <MissingOverrideAttribute errorLevel="info" />
     </issueHandlers>
 </psalm>
diff --git a/src/Pdf/CakePdf.php b/src/Pdf/CakePdf.php
index ddd1e9c..1f4e30e 100644
--- a/src/Pdf/CakePdf.php
+++ b/src/Pdf/CakePdf.php
@@ -314,8 +314,7 @@ public function output(?string $html = null): string
      * Get/Set Html.
      *
      * @param string|null $html Html to set
-     * @return $this|string
-     * @psalm-return ($html is null ? string : $this)
+     * @return ($html is null ? string : $this)
      */
     public function html(?string $html = null): static|string
     {
@@ -438,8 +437,7 @@ public function crypto(string|array|null $name = null): AbstractPdfCrypto
      * Get/Set Page size.
      *
      * @param string|null $pageSize Page size to set
-     * @return $this|string
-     * @psalm-return ($pageSize is null ? string : $this)
+     * @return ($pageSize is null ? string : $this)
      */
     public function pageSize(?string $pageSize = null): static|string
     {
@@ -455,8 +453,7 @@ public function pageSize(?string $pageSize = null): static|string
      * Get/Set Orientation.
      *
      * @param string|null $orientation orientation to set
-     * @return $this|string
-     * @psalm-return ($orientation is null ? string : $this)
+     * @return ($orientation is null ? string : $this)
      */
     public function orientation(?string $orientation = null): static|string
     {
@@ -605,8 +602,7 @@ public function margin(
      * Get/Set bottom margin.
      *
      * @param string|int|null $margin margin to set
-     * @return $this|string|int|null
-     * @psalm-return ($margin is null ? string|int|null : $this)
+     * @return ($margin is null ? string|int|null : $this)
      */
     public function marginBottom(string|int|null $margin = null): static|string|int|null
     {
@@ -622,8 +618,7 @@ public function marginBottom(string|int|null $margin = null): static|string|int|
      * Get/Set left margin.
      *
      * @param string|int|null $margin margin to set
-     * @return $this|string|int|null
-     * @psalm-return ($margin is null ? string|int|null : $this)
+     * @return ($margin is null ? string|int|null : $this)
      */
     public function marginLeft(string|int|null $margin = null): static|string|int|null
     {
@@ -639,8 +634,7 @@ public function marginLeft(string|int|null $margin = null): static|string|int|nu
      * Get/Set right margin.
      *
      * @param string|int|null $margin margin to set
-     * @return $this|string|int|null
-     * @psalm-return ($margin is null ? string|int|null : $this)
+     * @return ($margin is null ? string|int|null : $this)
      */
     public function marginRight(string|int|null $margin = null): static|string|int|null
     {
@@ -656,8 +650,7 @@ public function marginRight(string|int|null $margin = null): static|string|int|n
      * Get/Set top margin.
      *
      * @param string|int|null $margin margin to set
-     * @return $this|string|int|null
-     * @psalm-return ($margin is null ? string|int|null : $this)
+     * @return ($margin is null ? string|int|null : $this)
      */
     public function marginTop(string|int|null $margin = null): static|string|int|null
     {
@@ -673,8 +666,7 @@ public function marginTop(string|int|null $margin = null): static|string|int|nul
      * Get/Set document title.
      *
      * @param string|null $title title to set
-     * @return $this|string|null
-     * @psalm-return ($title is null ? string|null : $this)
+     * @return ($title is null ? string|null : $this)
      */
     public function title(?string $title = null): static|string|null
     {
@@ -690,8 +682,7 @@ public function title(?string $title = null): static|string|null
      * Get/Set javascript delay.
      *
      * @param int|null $delay delay to set in milliseconds
-     * @return $this|int|null
-     * @psalm-return ($delay is null ? int|null : $this)
+     * @return ($delay is null ? int|null : $this)
      */
     public function delay(?int $delay = null): static|int|null
     {
@@ -708,8 +699,7 @@ public function delay(?int $delay = null): static|int|null
      * Waits until the status is equal to the string before rendering the pdf
      *
      * @param string|null $status status to set as string
-     * @return $this|string|null
-     * @psalm-return ($status is null ? string|null : $this)
+     * @return ($status is null ? string|null : $this)
      */
     public function windowStatus(?string $status = null): static|string|null
     {
@@ -725,8 +715,7 @@ public function windowStatus(?string $status = null): static|string|null
      * Get/Set protection.
      *
      * @param bool|null $protect True or false
-     * @return $this|bool
-     * @psalm-return ($protect is null ? bool : $this)
+     * @return ($protect is null ? bool : $this)
      */
     public function protect(?bool $protect = null): static|bool
     {
@@ -744,8 +733,7 @@ public function protect(?bool $protect = null): static|bool
      * The user password is used to control who can open the PDF document.
      *
      * @param string|null $password password to set
-     * @return $this|string|null
-     * @psalm-return ($password is null ? string|null : $this)
+     * @return ($password is null ? string|null : $this)
      */
     public function userPassword(?string $password = null): static|string|null
     {
@@ -763,8 +751,7 @@ public function userPassword(?string $password = null): static|string|null
      * The owner password is used to control who can modify, print, manage the PDF document.
      *
      * @param string|null $password password to set
-     * @return $this|string|null
-     * @psalm-return ($password is null ? string|null : $this)
+     * @return ($password is null ? string|null : $this)
      */
     public function ownerPassword(?string $password = null): static|string|null
     {
@@ -785,8 +772,7 @@ public function ownerPassword(?string $password = null): static|string|null
      *
      * @param array<string>|string|bool|null $permissions Permissions to set
      * @throws \Cake\Core\Exception\CakeException
-     * @return $this|array|string|bool|null
-     * @psalm-return ($permissions is null ? array<string>|string|bool|null : $this)
+     * @return ($permissions is null ? array<string>|string|bool|null : $this)
      */
     public function permissions(bool|array|string|null $permissions = null): static|array|string|bool|null
     {
@@ -827,8 +813,7 @@ public function permissions(bool|array|string|null $permissions = null): static|
      *
      * @param string|bool|null $cache Cache config name to use, If true is passed, 'cake_pdf' will be used.
      * @throws \Cake\Core\Exception\CakeException
-     * @return $this|string|false
-     * @psalm-return ($cache is null ? string|false : $this)
+     * @return ($cache is null ? string|false : $this)
      */
     public function cache(bool|string|null $cache = null): static|string|false
     {
@@ -882,8 +867,7 @@ public function template(string|false|null $template = false, ?string $layout =
      * Template path
      *
      * @param ?string $templatePath The path of the template to use
-     * @return $this|string
-     * @psalm-return ($templatePath is null ? string : $this)
+     * @return ($templatePath is null ? string : $this)
      */
     public function templatePath(?string $templatePath = null): static|string
     {
@@ -900,8 +884,7 @@ public function templatePath(?string $templatePath = null): static|string
      * Layout path
      *
      * @param ?string $layoutPath The path of the layout file to use
-     * @return $this|string
-     * @psalm-return ($layoutPath is null ? string : $this)
+     * @return ($layoutPath is null ? string : $this)
      */
     public function layoutPath(?string $layoutPath = null): static|string
     {
@@ -918,8 +901,7 @@ public function layoutPath(?string $layoutPath = null): static|string
      * View class for render
      *
      * @param string|null $viewClass name of the view class to use
-     * @return $this|string
-     * @psalm-return ($viewClass is null ? string : $this)
+     * @return ($viewClass is null ? string : $this)
      */
     public function viewRender(?string $viewClass = null): static|string
     {
@@ -935,8 +917,7 @@ public function viewRender(?string $viewClass = null): static|string
      * Variables to be set on render
      *
      * @param array<string, mixed> $viewVars view variables to set
-     * @return $this|array
-     * @psalm-return ($viewVars is null ? array<string, mixed> : $this)
+     * @return ($viewVars is null ? array<string, mixed> : $this)
      */
     public function viewVars(?array $viewVars = null): static|array
     {
@@ -952,8 +933,7 @@ public function viewVars(?array $viewVars = null): static|array
      * Theme to use when rendering
      *
      * @param string $theme theme to use
-     * @return $this|string|null
-     * @psalm-return ($theme is null ? string|null : $this)
+     * @return ($theme is null ? string|null : $this)
      */
     public function theme(?string $theme = null): static|string|null
     {
diff --git a/tests/TestCase/Pdf/Engine/WkHtmlToPdfEngineTest.php b/tests/TestCase/Pdf/Engine/WkHtmlToPdfEngineTest.php
index ca4bc23..95a8033 100644
--- a/tests/TestCase/Pdf/Engine/WkHtmlToPdfEngineTest.php
+++ b/tests/TestCase/Pdf/Engine/WkHtmlToPdfEngineTest.php
@@ -25,7 +25,6 @@ public function testGetCommand()
 
         $class = new ReflectionClass(WkHtmlToPdfEngine::class);
         $method = $class->getMethod('_getCommand');
-        $method->setAccessible(true);
 
         $Pdf = new CakePdf([
             'engine' => [
@@ -160,7 +159,6 @@ public function testCoverUrlMissing()
 
         $class = new ReflectionClass(WkHtmlToPdfEngine::class);
         $method = $class->getMethod('_getCommand');
-        $method->setAccessible(true);
         $Pdf = new CakePdf([
            'engine' => [
                'className' => 'CakePdf.WkHtmlToPdf',