diff --git a/.travis.yml b/.travis.yml
index 75969c0b..13ac73eb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 5.3
   - 5.4
   - 5.5
   - 5.6
diff --git a/composer.json b/composer.json
index 520d7d9d..39e5c1d2 100644
--- a/composer.json
+++ b/composer.json
@@ -6,9 +6,9 @@
     "homepage": "https://github.com/joomla-framework/github-api",
     "license": "GPL-2.0+",
     "require": {
-        "php": ">=5.3.10",
+        "php": ">=5.4",
         "joomla/date": "~1.0",
-        "joomla/http": "~1.0",
+        "joomla/http": "2.0.*@dev",
         "joomla/registry": "2.0.*@dev",
         "joomla/uri": "~1.0"
     },
diff --git a/src/AbstractGithubObject.php b/src/AbstractGithubObject.php
index 93e6e39a..3b6eaf17 100644
--- a/src/AbstractGithubObject.php
+++ b/src/AbstractGithubObject.php
@@ -8,6 +8,7 @@
 
 namespace Joomla\Github;
 
+use Joomla\Http\Exception\UnexpectedResponseException;
 use Joomla\Http\Response;
 use Joomla\Uri\Uri;
 use Joomla\Registry\Registry;
@@ -115,19 +116,22 @@ protected function fetchUrl($path, $page = 0, $limit = 0)
 	 * @return  mixed
 	 *
 	 * @since   1.0
-	 * @throws  \DomainException
+	 * @throws  UnexpectedResponseException
 	 */
 	protected function processResponse(Response $response, $expectedCode = 200)
 	{
 		// Validate the response code.
-		if ($response->code != $expectedCode)
+		if ($response->getStatusCode() != $expectedCode)
 		{
 			// Decode the error response and throw an exception.
 			$error = json_decode($response->body);
+
+			// Check if the error message is set; send a generic one if not
 			$message = isset($error->message) ? $error->message : 'Invalid response received from GitHub.';
-			throw new \DomainException($message, $response->code);
+
+			throw new UnexpectedResponseException($response, $message, $response->code);
 		}
 
-		return json_decode($response->body);
+		return $response;
 	}
 }