diff --git a/.github/workflows/php-syntax.yml b/.github/workflows/php-syntax.yml
index 3695bd5..119dd4d 100644
--- a/.github/workflows/php-syntax.yml
+++ b/.github/workflows/php-syntax.yml
@@ -20,11 +20,11 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        php: [ '7.3', '7.4', '8.0', '8.1', '8.2' ]
+        php: [ '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5' ]
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -49,7 +49,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache Composer dependencies
-        uses: actions/cache@26968a09c0ea4f3e233fdddbafd1166051a095f6 # v2.1.4
+        uses: actions/cache@v5
         env:
           cache-name: cache-composer-dependencies
         with:
diff --git a/.github/workflows/phpcs.yml b/.github/workflows/phpcs.yml
index ab85593..12b999b 100644
--- a/.github/workflows/phpcs.yml
+++ b/.github/workflows/phpcs.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -44,7 +44,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache Composer dependencies
-        uses: actions/cache@26968a09c0ea4f3e233fdddbafd1166051a095f6 # v2.1.4
+        uses: actions/cache@v5
         env:
           cache-name: cache-composer-dependencies
         with:
@@ -55,4 +55,4 @@ jobs:
         run: composer install
 
       - name: Run PHPUnit tests
-        run: composer run lint
\ No newline at end of file
+        run: composer run lint
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 1ae8774..7fcbdfb 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -44,7 +44,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache Composer dependencies
-        uses: actions/cache@26968a09c0ea4f3e233fdddbafd1166051a095f6 # v2.1.4
+        uses: actions/cache@v5
         env:
           cache-name: cache-composer-dependencies
         with:
@@ -55,4 +55,4 @@ jobs:
         run: composer install
 
       - name: Run PHPUnit tests
-        run: composer run phpstan
\ No newline at end of file
+        run: composer run phpstan
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 2565b20..ebc60a2 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        php: [ '7.3', '7.4', '8.0', '8.1', '8.2' ]
+        php: [ '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5' ]
         include:
           - php: '7.3'
             os: ubuntu-latest
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -53,7 +53,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache Composer dependencies
-        uses: actions/cache@26968a09c0ea4f3e233fdddbafd1166051a095f6 # v2.1.4
+        uses: actions/cache@v5
         env:
           cache-name: cache-composer-dependencies
         with:
@@ -70,4 +70,4 @@ jobs:
         if: ${{ matrix.report }}
         run: |
           vendor/bin/phpunit --verbose --coverage-clover=tmp/coverage/report-xml/php-coverage1.xml
-          bash <(curl -s https://codecov.io/bash);
\ No newline at end of file
+          bash <(curl -s https://codecov.io/bash);
diff --git a/composer.json b/composer.json
index 80f4f88..edc87f9 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     "source": "https://github.com/gravitypdf/upload"
   },
   "require": {
-    "php": "^7.3 || ~8.0.0 || ~8.1.0 || ~8.2.0",
+    "php": "^7.3 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0",
     "ext-fileinfo": "*"
   },
   "require-dev": {
diff --git a/src/Upload/Exception.php b/src/Upload/Exception.php
index 5354646..4675384 100644
--- a/src/Upload/Exception.php
+++ b/src/Upload/Exception.php
@@ -19,7 +19,7 @@ class Exception extends RuntimeException
      * @param string $message The Exception message
      * @param FileInfoInterface|null $fileInfo The related file instance
      */
-    public function __construct($message, FileInfoInterface $fileInfo = null)
+    public function __construct($message, ?FileInfoInterface $fileInfo = null)
     {
         $this->fileInfo = $fileInfo;
 
diff --git a/src/Upload/FileInfo.php b/src/Upload/FileInfo.php
index f2cec4d..dadc7e3 100644
--- a/src/Upload/FileInfo.php
+++ b/src/Upload/FileInfo.php
@@ -77,7 +77,7 @@ class FileInfo extends SplFileInfo implements FileInfoInterface
      * @param string $filePathname Absolute path to uploaded file on disk
      * @param string|null $newName Desired file name (with extension) of uploaded file
      */
-    final public function __construct(string $filePathname, string $newName = null)
+    final public function __construct(string $filePathname, ?string $newName = null)
     {
         $desiredName = is_null($newName) ? $filePathname : $newName;
         $this->setNameWithExtension($desiredName);
@@ -90,7 +90,7 @@ public static function setFactory(callable $callable): void
         static::$factory = $callable;
     }
 
-    public static function createFromFactory(string $tmpName, string $name = null): FileInfoInterface
+    public static function createFromFactory(string $tmpName, ?string $name = null): FileInfoInterface
     {
         if (is_callable(static::$factory)) {
             $result = call_user_func(static::$factory, $tmpName, $name);
@@ -336,11 +336,14 @@ public function getHash(string $algorithm = 'md5'): string
      */
     public function getDimensions(): array
     {
-        [$width, $height] = (array)getimagesize($this->getPathname());
+        $imageSize = getimagesize($this->getPathname());
+        if (!$imageSize) {
+            $imageSize = [0,0];
+        }
 
         return [
-            'width' => $width ?? 0,
-            'height' => $height ?? 0,
+            'width' => $imageSize[0],
+            'height' => $imageSize[1],
         ];
     }