diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3040e0a..b84ac9f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ ubuntu-latest ]
-        php-versions: [ '7.3', '7.4', '8.0', '8.1' ]
+        php-versions: [ '7.3', '7.4', '8.0', '8.1', '8.2' ]
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
 
     steps:
@@ -34,14 +34,9 @@ jobs:
       - name: Validate composer.json and composer.lock
         run: composer validate
 
-      - name: Install dependencies for PHP 7
-        if: matrix.php-versions < '8.0'
+      - name: Install dependencies for PHP
         run: composer update --prefer-dist --no-progress
 
-      - name: Install dependencies for PHP 8
-        if: matrix.php-versions >= '8.0'
-        run: composer update --prefer-dist --no-progress --ignore-platform-req=php
-
       - name: Run test suite
         run: composer check
         env:
diff --git a/src/AudioType.php b/src/AudioType.php
index ed8a56e..f298f5d 100644
--- a/src/AudioType.php
+++ b/src/AudioType.php
@@ -2,8 +2,6 @@
 
 namespace Selective\AudioType;
 
-use InvalidArgumentException;
-
 /**
  * Audio type value object.
  */
@@ -28,11 +26,11 @@ final class AudioType
     public function __construct(string $format, string $mime)
     {
         if (empty($format)) {
-            throw new InvalidArgumentException(sprintf('Invalid type: %s', $format));
+            throw new \InvalidArgumentException(sprintf('Invalid type: %s', $format));
         }
 
         if (empty($mime)) {
-            throw new InvalidArgumentException(sprintf('Invalid mime type: %s', $format));
+            throw new \InvalidArgumentException(sprintf('Invalid mime type: %s', $format));
         }
 
         $this->format = $format;
@@ -68,7 +66,7 @@ public function getMimeType(): string
      */
     public function equals(AudioType $other): bool
     {
-        return $this->format === $other->format &&
-            $this->mime === $other->mime;
+        return $this->format === $other->format
+            && $this->mime === $other->mime;
     }
 }
diff --git a/src/AudioTypeDetector.php b/src/AudioTypeDetector.php
index a23d73b..06466ed 100644
--- a/src/AudioTypeDetector.php
+++ b/src/AudioTypeDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\Detector\AudioDetectorInterface;
 use Selective\AudioType\Exception\AudioTypeDetectorException;
 use Selective\AudioType\Provider\ProviderInterface;
-use SplFileObject;
 
 /**
  * Audio type detection.
@@ -44,13 +43,13 @@ public function addProvider(ProviderInterface $provider): void
     /**
      * Detect audio type.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @throws AudioTypeDetectorException
      *
      * @return AudioType The audio type
      */
-    public function getAudioTypeFromFile(SplFileObject $file): AudioType
+    public function getAudioTypeFromFile(\SplFileObject $file): AudioType
     {
         $type = $this->detectFile($file);
 
@@ -64,11 +63,11 @@ public function getAudioTypeFromFile(SplFileObject $file): AudioType
     /**
      * Reads and returns the type of the audio file.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null
      */
-    private function detectFile(SplFileObject $file): ?AudioType
+    private function detectFile(\SplFileObject $file): ?AudioType
     {
         foreach ($this->detectors as $detector) {
             $file->rewind();
diff --git a/src/Detector/AacDetector.php b/src/Detector/AacDetector.php
index ac36140..3d99aea 100644
--- a/src/Detector/AacDetector.php
+++ b/src/Detector/AacDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class AacDetector implements AudioDetectorInterface
     /**
      * Detect AAC audio file format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         // Skip 8 bytes
         $file->fread(8);
diff --git a/src/Detector/AiffDetector.php b/src/Detector/AiffDetector.php
index fc6959b..23ca01e 100644
--- a/src/Detector/AiffDetector.php
+++ b/src/Detector/AiffDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class AiffDetector implements AudioDetectorInterface
     /**
      * Detect AIFF/AIFC soundfile format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $ckID = (string)$file->fread(4);
 
diff --git a/src/Detector/AuDetector.php b/src/Detector/AuDetector.php
index 0570daf..82ebd92 100644
--- a/src/Detector/AuDetector.php
+++ b/src/Detector/AuDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class AuDetector implements AudioDetectorInterface
     /**
      * Detect AU audio file.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $bytes = (string)$file->fread(4);
 
diff --git a/src/Detector/AudioDetectorInterface.php b/src/Detector/AudioDetectorInterface.php
index ff8aca8..300353e 100644
--- a/src/Detector/AudioDetectorInterface.php
+++ b/src/Detector/AudioDetectorInterface.php
@@ -3,7 +3,6 @@
 namespace Selective\AudioType\Detector;
 
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -13,9 +12,9 @@ interface AudioDetectorInterface
     /**
      * Detect.
      *
-     * @param SplFileObject $file The file
+     * @param \SplFileObject $file The file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType;
+    public function detect(\SplFileObject $file): ?AudioType;
 }
diff --git a/src/Detector/CafDetector.php b/src/Detector/CafDetector.php
index 00ef40e..2f28851 100644
--- a/src/Detector/CafDetector.php
+++ b/src/Detector/CafDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class CafDetector implements AudioDetectorInterface
     /**
      * Detects CAF (Apple Core Audio File).
      *
-     * @param SplFileObject $file The file
+     * @param \SplFileObject $file The file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         return (string)$file->fread(4) === 'caff' ? new AudioType(
             AudioFormat::CAF,
diff --git a/src/Detector/FlacDetector.php b/src/Detector/FlacDetector.php
index b8553a0..ccc6d08 100644
--- a/src/Detector/FlacDetector.php
+++ b/src/Detector/FlacDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class FlacDetector implements AudioDetectorInterface
     /**
      * Detect FLAC soundfile format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         // Signature bytes
         $signature = (string)$file->fread(4);
diff --git a/src/Detector/MidiDetector.php b/src/Detector/MidiDetector.php
index 3a9db0b..c804c19 100644
--- a/src/Detector/MidiDetector.php
+++ b/src/Detector/MidiDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class MidiDetector implements AudioDetectorInterface
     /**
      * Detects MIDI format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $chunkType = (string)$file->fread(4);
 
diff --git a/src/Detector/MkaDetector.php b/src/Detector/MkaDetector.php
index f4aa700..8abaec2 100644
--- a/src/Detector/MkaDetector.php
+++ b/src/Detector/MkaDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class MkaDetector implements AudioDetectorInterface
     /**
      * Detect MKA (audio-only Matroska) container.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $bytes = bin2hex((string)$file->fread(4));
         $containedMatroska = strpos((string)$file->fread(46), 'matroska') !== false;
diff --git a/src/Detector/Mp3Detector.php b/src/Detector/Mp3Detector.php
index 43352ac..a710bd4 100644
--- a/src/Detector/Mp3Detector.php
+++ b/src/Detector/Mp3Detector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class Mp3Detector implements AudioDetectorInterface
     /**
      * Detect MP3 (MPEG-1 Audio Layer 3 (MP3) audio file) format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         // MP3 file with an ID3v2 container
         $hasId3v2Container = (string)$file->fread(3) === 'ID3';
diff --git a/src/Detector/OgaDetector.php b/src/Detector/OgaDetector.php
index 5083355..bb6c18c 100644
--- a/src/Detector/OgaDetector.php
+++ b/src/Detector/OgaDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class OgaDetector implements AudioDetectorInterface
     /**
      * Detect FLAC soundfile format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $bytes = (string)$file->fread(4);
 
diff --git a/src/Detector/RealAudioDetector.php b/src/Detector/RealAudioDetector.php
index 1cfe1c4..4d35939 100644
--- a/src/Detector/RealAudioDetector.php
+++ b/src/Detector/RealAudioDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class RealAudioDetector implements AudioDetectorInterface
     /**
      * Detects RealAudio.
      *
-     * @param SplFileObject $file The file
+     * @param \SplFileObject $file The file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         return (string)$file->fread(3) === '.ra' ? new AudioType(
             AudioFormat::RA,
diff --git a/src/Detector/RmiDetector.php b/src/Detector/RmiDetector.php
index 8d64ee2..ab56a56 100644
--- a/src/Detector/RmiDetector.php
+++ b/src/Detector/RmiDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class RmiDetector implements AudioDetectorInterface
     /**
      * Detect RMI, RIFF-MIDI audio format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $magicNumber = (string)$file->fread(4);
         $header = (string)$file->fread(25);
diff --git a/src/Detector/WavDetector.php b/src/Detector/WavDetector.php
index dba9919..4dcbaac 100644
--- a/src/Detector/WavDetector.php
+++ b/src/Detector/WavDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -17,11 +16,11 @@ final class WavDetector implements AudioDetectorInterface
      *
      * http://soundfile.sapp.org/doc/WaveFormat/
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $chunkId = (string)$file->fread(4);
 
diff --git a/src/Detector/WebmDetector.php b/src/Detector/WebmDetector.php
index 127ec8e..1ad3b9c 100644
--- a/src/Detector/WebmDetector.php
+++ b/src/Detector/WebmDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -20,11 +19,11 @@ final class WebmDetector implements AudioDetectorInterface
      *
      * To generate a webm audio file, run: ffmpeg.exe -i test.mp3 -vn test.webm
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $ebmlHeader = bin2hex((string)$file->fread(4));
         $containedWebM = strpos((string)$file->fread(40), 'webm') !== false;
diff --git a/src/Detector/WmaDetector.php b/src/Detector/WmaDetector.php
index 6b98ede..be27b3f 100644
--- a/src/Detector/WmaDetector.php
+++ b/src/Detector/WmaDetector.php
@@ -5,7 +5,6 @@
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
 use Selective\AudioType\AudioType;
-use SplFileObject;
 
 /**
  * Detector.
@@ -15,11 +14,11 @@ final class WmaDetector implements AudioDetectorInterface
     /**
      * Detect WMA audio format.
      *
-     * @param SplFileObject $file The audio file
+     * @param \SplFileObject $file The audio file
      *
      * @return AudioType|null The audio type
      */
-    public function detect(SplFileObject $file): ?AudioType
+    public function detect(\SplFileObject $file): ?AudioType
     {
         $asfMagicNumber = bin2hex((string)$file->fread(4));
 
diff --git a/src/Exception/AudioTypeDetectorException.php b/src/Exception/AudioTypeDetectorException.php
index bc129a7..1efa625 100644
--- a/src/Exception/AudioTypeDetectorException.php
+++ b/src/Exception/AudioTypeDetectorException.php
@@ -2,11 +2,9 @@
 
 namespace Selective\AudioType\Exception;
 
-use RuntimeException;
-
 /**
  * Exception.
  */
-final class AudioTypeDetectorException extends RuntimeException
+final class AudioTypeDetectorException extends \RuntimeException
 {
 }
diff --git a/src/Exception/MimeTypeNotFoundException.php b/src/Exception/MimeTypeNotFoundException.php
index 1265ff6..cd56836 100644
--- a/src/Exception/MimeTypeNotFoundException.php
+++ b/src/Exception/MimeTypeNotFoundException.php
@@ -2,11 +2,9 @@
 
 namespace Selective\AudioType\Exception;
 
-use RuntimeException;
-
 /**
  * Mime type not found exception.
  */
-final class MimeTypeNotFoundException extends RuntimeException
+final class MimeTypeNotFoundException extends \RuntimeException
 {
 }
diff --git a/tests/AudioTypeDetectorTest.php b/tests/AudioTypeDetectorTest.php
index d29a7c5..98be196 100644
--- a/tests/AudioTypeDetectorTest.php
+++ b/tests/AudioTypeDetectorTest.php
@@ -9,8 +9,6 @@
 use Selective\AudioType\AudioTypeDetector;
 use Selective\AudioType\Exception\AudioTypeDetectorException;
 use Selective\AudioType\Provider\DefaultAudioProvider;
-use SplFileObject;
-use SplTempFileObject;
 
 /**
  * Test.
@@ -47,7 +45,7 @@ public function testGetAudioTypeFromFile(string $file, string $format, string $m
         $this->assertFileExists($file);
 
         $detector = $this->createDetector();
-        $file = new SplFileObject($file);
+        $file = new \SplFileObject($file);
         $actual = $detector->getAudioTypeFromFile($file);
 
         $this->assertSame($format, $actual->getFormat());
@@ -92,7 +90,7 @@ public function testGetAudioTypeWithUnknownFormat(): void
 
         $imageTypeDetector = new AudioTypeDetector();
 
-        $image = new SplTempFileObject();
+        $image = new \SplTempFileObject();
         $image->fwrite('temp');
 
         $imageTypeDetector->getAudioTypeFromFile($image);
diff --git a/tests/AudioTypeTest.php b/tests/AudioTypeTest.php
index 64cc6c7..7e83be9 100644
--- a/tests/AudioTypeTest.php
+++ b/tests/AudioTypeTest.php
@@ -2,7 +2,6 @@
 
 namespace Selective\AudioType\Test;
 
-use InvalidArgumentException;
 use PHPUnit\Framework\TestCase;
 use Selective\AudioType\AudioFormat;
 use Selective\AudioType\AudioMimeType;
@@ -33,7 +32,7 @@ public function testCreateInstance(): void
      */
     public function testCreateInstanceWithError(): void
     {
-        $this->expectException(InvalidArgumentException::class);
+        $this->expectException(\InvalidArgumentException::class);
         new AudioType('', '');
     }
 
@@ -44,7 +43,7 @@ public function testCreateInstanceWithError(): void
      */
     public function testCreateInstanceWithError2(): void
     {
-        $this->expectException(InvalidArgumentException::class);
+        $this->expectException(\InvalidArgumentException::class);
         new AudioType(AudioFormat::WAV, '');
     }
 }