diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36dd697..386161a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,11 +11,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.1', '8.2']
+        php-version: ['8.2', '8.3']
     name: PHP ${{ matrix.php-version }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -35,12 +35,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.2'
+        php-version: '8.3'
         extensions: mbstring, intl
         coverage: none
 
@@ -52,4 +52,4 @@ jobs:
 
     - name: Run phpstan
       if: success() || failure()
-      run: vendor/bin/phpstan analyse src/ tests/
+      run: vendor/bin/phpstan analyse
diff --git a/.gitignore b/.gitignore
index 244d127..77c68a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 /composer.phar
 /phpunit.xml
 /.phpunit.result.cache
+/.phpunit.cache
 /phpunit.phar
 /config/Migrations/schema-dump-default.lock
 /vendor/
diff --git a/README.md b/README.md
index 5c146e6..ed35dd7 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# SvgIcon plugin for CakePHP 4.x
+# SvgIcon plugin for CakePHP 5.x
 
 ![Build Status](https://github.com/loadsys/cakephp-svg-icon/actions/workflows/ci.yml/badge.svg?branch=main)
 
@@ -14,6 +14,11 @@ The recommended way to install composer packages is:
 composer require loadsys/cakephp-svg-icon
 ```
 
+## Versions
+
+* Tags `1.x` are for CakePHP v4.x.
+* Tags `2.x` are for CakePHP v5.x.
+
 ## Configuration
 
 Icons should be added to `config/app_svg_icon.php` - see the example included in `config` directory for the expected format. Any SVG icon should work, such as [heroicons](https://heroicons.com) or [Bootstrap Icons](https://icons.getbootstrap.com).
diff --git a/composer.json b/composer.json
index c5a7e04..e175de5 100644
--- a/composer.json
+++ b/composer.json
@@ -4,13 +4,13 @@
     "type": "cakephp-plugin",
     "license": "MIT",
     "require": {
-        "php": ">=7.4",
-        "cakephp/cakephp": "4.*"
+        "php": ">=8.2",
+        "cakephp/cakephp": "^5.0"
     },
     "require-dev": {
-        "cakephp/cakephp-codesniffer": "^4.5",
-        "phpstan/phpstan": "^1.9",
-        "phpunit/phpunit": "^9.3"
+        "cakephp/cakephp-codesniffer": "^5.0",
+        "phpstan/phpstan": "^1.10",
+        "phpunit/phpunit": "^10.1"
     },
     "autoload": {
         "psr-4": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 46f96c0..9f7525e 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,29 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    colors="true"
-    processIsolation="false"
-    stopOnFailure="false"
-    bootstrap="tests/bootstrap.php"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
->
-  <coverage>
-    <include>
-      <directory suffix=".php">src/</directory>
-    </include>
-  </coverage>
-  <php>
-    <ini name="memory_limit" value="-1"/>
-    <ini name="apc.enable_cli" value="1"/>
-  </php>
-  <!-- Add any additional test suites you want to run here -->
-  <testsuites>
-    <testsuite name="SvgIcon">
-      <directory>tests/TestCase/</directory>
-    </testsuite>
-  </testsuites>
-  <!-- Setup fixture extension -->
-  <extensions>
-    <extension class="Cake\TestSuite\Fixture\PHPUnitExtension"/>
-  </extensions>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         colors="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         bootstrap="tests/bootstrap.php"
+         cacheDirectory=".phpunit.cache"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.1/phpunit.xsd">
+    <php>
+        <ini name="memory_limit" value="-1"/>
+        <ini name="apc.enable_cli" value="1"/>
+    </php>
+
+    <!-- Add any additional test suites you want to run here -->
+    <testsuites>
+        <testsuite name="app">
+            <directory>tests/TestCase/</directory>
+        </testsuite>
+    </testsuites>
+
+    <!-- Load extension for fixtures -->
+    <extensions>
+        <bootstrap class="Cake\TestSuite\Fixture\Extension\PHPUnitExtension"/>
+    </extensions>
 </phpunit>
diff --git a/src/View/Helper/SvgIconHelper.php b/src/View/Helper/SvgIconHelper.php
index 026202e..9ced4f2 100644
--- a/src/View/Helper/SvgIconHelper.php
+++ b/src/View/Helper/SvgIconHelper.php
@@ -19,7 +19,7 @@ class SvgIconHelper extends Helper
      *
      * @var array<string, mixed>
      */
-    protected $_defaultConfig = [];
+    protected array $_defaultConfig = [];
 
     /**
      * Icon getter and modifier (if $options exist).
diff --git a/tests/TestCase/Lib/SvgIconTraitTest.php b/tests/TestCase/Lib/SvgIconTraitTest.php
index a85906b..b802284 100644
--- a/tests/TestCase/Lib/SvgIconTraitTest.php
+++ b/tests/TestCase/Lib/SvgIconTraitTest.php
@@ -55,7 +55,7 @@ public function testGet($name, $options, $expected): void
      *
      * @return array
      */
-    public function provideGet(): array
+    public static function provideGet(): array
     {
         return SvgIconTraitTest::getProvider();
     }
diff --git a/tests/TestCase/View/Helper/SvgIconHelperTest.php b/tests/TestCase/View/Helper/SvgIconHelperTest.php
index 3eea809..0baf5bc 100644
--- a/tests/TestCase/View/Helper/SvgIconHelperTest.php
+++ b/tests/TestCase/View/Helper/SvgIconHelperTest.php
@@ -68,7 +68,7 @@ public function testGet($name, $options, $expected): void
      *
      * @return array
      */
-    public function provideGet(): array
+    public static function provideGet(): array
     {
         return SvgIconTraitTest::getProvider();
     }