diff --git a/code/extractors/FileTextExtractor.php b/code/extractors/FileTextExtractor.php
index a5a2e33..b22e98e 100644
--- a/code/extractors/FileTextExtractor.php
+++ b/code/extractors/FileTextExtractor.php
@@ -63,11 +63,9 @@ abstract class FileTextExtractor extends Object {
 	 * @return string Mime type if found
 	 */
 	protected static function get_mime($path) {
-		if(!class_exists('finfo')) return null;
+		$file = new Symfony\Component\HttpFoundation\File\File($path);
 
-		// Check mime of file
-		$finfo = new finfo(FILEINFO_MIME_TYPE);
-		return $finfo->file($path);
+		return $file->getMimeType();
 	}
 
 	/**
diff --git a/composer.json b/composer.json
index 0e3bc24..59101e5 100644
--- a/composer.json
+++ b/composer.json
@@ -20,10 +20,11 @@
 		"composer/installers": "*",
 		"silverstripe/framework": "~3.1",
 		"guzzle/guzzle": "~3.9",
-		"symfony/event-dispatcher": "~2.6.0@stable"
+		"symfony/event-dispatcher": "~2.6.0@stable",
+		"symfony/http-foundation": "~2.6.0"
 	},
 	"require-dev": {
-		"phpunit/PHPUnit": "~3.7@stable"
+		"phpunit/phpunit": "~3.7"
 	},
 	"suggest": {
 		"ext-fileinfo": "Improved support for file mime detection"