diff --git a/e107_handlers/library_manager.php b/e107_handlers/library_manager.php
index d3a7e214f8..008cd36c35 100755
--- a/e107_handlers/library_manager.php
+++ b/e107_handlers/library_manager.php
@@ -154,8 +154,8 @@ public function config()
 			),
 			// Override library path to CDN.
 			'library_path'      => 'https://cdn.jsdelivr.net/jquery.once',
-			'path'              => '2.1.2',
-			'version'           => '2.1.2',
+			'path'              => '2.2.3',
+			'version'           => '2.2.3',
 		);
 
 		// jQuery Once (local).
@@ -238,8 +238,8 @@ public function config()
 			),
 			// Override library path to CDN.
 			'library_path'      => 'https://cdn.jsdelivr.net/jquery.ui',
-			'path'              => '1.11.4',
-			'version'           => '1.11.4',
+			'path'              => '1.12.1',
+			'version'           => '1.12.1',
 		);
 
 		// jQuery UI (local).
@@ -929,9 +929,9 @@ public function config()
 			),
 			'variants'          => array(),
 			// Override library path to CDN.
-			'library_path'      => 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0',
+			'library_path'      => 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2',
 			'path'              => '',
-			'version'           => '5.14.0',
+			'version'           => '5.15.2',
 		);
 
 		// Font-Awesome (local).
@@ -1094,12 +1094,21 @@ class e_library_manager
 	/** @var array list of callbacks to track performance  */
 	private $callbacks = array();
 
+	/**
+	 * @var e_file
+	 */
+	private $fileHandler;
+
 	/**
 	 * Constructor
 	 * Use {@link getInstance()}, direct instantiating is not possible for signleton objects.
+	 *
+	 * @param e_file|null $fileHandler
 	 */
-	public function __construct()
+	public function __construct($fileHandler = null)
 	{
+		if ($fileHandler === null) $fileHandler = e107::getFile();
+		$this->fileHandler = $fileHandler;
 	}
 
 	/**
@@ -1534,7 +1543,7 @@ private function getLibraries()
 		$directories = array();
 
 		// Retrieve list of directories.
-		$file = e107::getFile();
+		$file = $this->fileHandler;
 		$dirs = $file->get_dirs($dir);
 
 		foreach($dirs as $dirName)
@@ -2182,7 +2191,7 @@ private function getVersion($library, $options)
 		// The library will be cached with version number, so this only run once per library.
 		if(strpos($file, 'http') === 0)
 		{
-			$content = e107::getFile()->getRemoteContent($file);
+			$content = $this->fileHandler->getRemoteContent($file);
 			$tmpFile = tempnam(sys_get_temp_dir(), 'lib_');
 
 			if($tmpFile)
diff --git a/e107_tests/tests/unit/e_library_managerTest.php b/e107_tests/tests/unit/e_library_managerTest.php
index 892dca198e..db30158ec8 100644
--- a/e107_tests/tests/unit/e_library_managerTest.php
+++ b/e107_tests/tests/unit/e_library_managerTest.php
@@ -20,7 +20,15 @@ protected function _before()
 
 			try
 			{
-				$this->lib = $this->make('e_library_manager');
+				$fakeFile = $this->make('e_file', [
+					'getRemoteContent' => function($url)
+					{
+						throw new RuntimeException("Test needs rewriting. Blocked Internet fetch of URL: $url");
+					},
+				]);
+				$this->lib = $this->make('e_library_manager', [
+					'fileHandler' => $fakeFile,
+				]);
 			}
 			catch(Exception $e)
 			{
@@ -72,7 +80,7 @@ function testDetectionVersionConsistency()
 			foreach($this->libraries as $name)
 			{
 				$coded = $this->lib->detect($name);
-				$detected = $this->lib->detect($name, true);
+				$detected = $this->lib->detect(str_replace('cdn.', '', $name), true);
 
 				if(empty($coded['version']))
 				{