diff --git a/github-checker.php b/github-checker.php
index 720c6311..efb70233 100644
--- a/github-checker.php
+++ b/github-checker.php
@@ -1,8 +1,8 @@
 <?php
 
-if ( !class_exists('PucGitHubChecker_2_0', false) ):
+if ( !class_exists('PucGitHubChecker_2_1', false) ):
 
-class PucGitHubChecker_2_0 extends PluginUpdateChecker_2_0 {
+class PucGitHubChecker_2_1 extends PluginUpdateChecker_2_1 {
 	/**
 	 * @var string GitHub username.
 	 */
@@ -57,7 +57,7 @@ public function __construct(
 	 * @return PluginInfo
 	 */
 	public function requestInfo($unusedQueryArgs = array()) {
-		$info = new PluginInfo_2_0();
+		$info = new PluginInfo_2_1();
 		$info->filename = $this->pluginFile;
 		$info->slug = $this->slug;
 		$info->sections = array();
@@ -375,7 +375,7 @@ protected function getFileHeader($content) {
 	 * Copy plugin metadata from a file header to a PluginInfo object.
 	 *
 	 * @param array $fileHeader
-	 * @param PluginInfo_2_0 $pluginInfo
+	 * @param PluginInfo_2_1 $pluginInfo
 	 */
 	protected function setInfoFromHeader($fileHeader, $pluginInfo) {
 		$headerToPropertyMap = array(
diff --git a/plugin-update-checker.php b/plugin-update-checker.php
index 8f021040..08a06825 100644
--- a/plugin-update-checker.php
+++ b/plugin-update-checker.php
@@ -1,23 +1,23 @@
 <?php
 /**
- * Plugin Update Checker Library 2.0.0
+ * Plugin Update Checker Library 2.1.0
  * http://w-shadow.com/
  * 
  * Copyright 2015 Janis Elsts
- * Released under the  MIT license. See license.txt for details.
+ * Released under the MIT license. See license.txt for details.
  */
 
-if ( !class_exists('PluginUpdateChecker_2_0', false) ):
+if ( !class_exists('PluginUpdateChecker_2_1', false) ):
 
 /**
  * A custom plugin update checker. 
  * 
  * @author Janis Elsts
  * @copyright 2015
- * @version 2.0
+ * @version 2.1
  * @access public
  */
-class PluginUpdateChecker_2_0 {
+class PluginUpdateChecker_2_1 {
 	public $metadataUrl = ''; //The URL of the plugin's metadata file.
 	public $pluginAbsolutePath = ''; //Full path of the main plugin file.
 	public $pluginFile = '';  //Plugin filename relative to the plugins directory. Many WP APIs use this to identify plugins.
@@ -223,7 +223,7 @@ public function requestInfo($queryArgs = array()){
 		//Try to parse the response
 		$pluginInfo = null;
 		if ( !is_wp_error($result) && isset($result['response']['code']) && ($result['response']['code'] == 200) && !empty($result['body']) ){
-			$pluginInfo = PluginInfo_2_0::fromJson($result['body'], $this->debugMode);
+			$pluginInfo = PluginInfo_2_1::fromJson($result['body'], $this->debugMode);
 			$pluginInfo->filename = $this->pluginFile;
 			$pluginInfo->slug = $this->slug;
 		} else if ( $this->debugMode ) {
@@ -256,7 +256,7 @@ public function requestUpdate(){
 		if ( $pluginInfo == null ){
 			return null;
 		}
-		return PluginUpdate_2_0::fromPluginInfo($pluginInfo);
+		return PluginUpdate_2_1::fromPluginInfo($pluginInfo);
 	}
 	
 	/**
@@ -419,7 +419,7 @@ public function getUpdateState() {
 		}
 
 		if ( !empty($state) && isset($state->update) && is_object($state->update) ){
-			$state->update = PluginUpdate_2_0::fromObject($state->update);
+			$state->update = PluginUpdate_2_1::fromObject($state->update);
 		}
 		return $state;
 	}
@@ -854,17 +854,17 @@ public function initDebugBarPanel() {
 
 endif;
 
-if ( !class_exists('PluginInfo_2_0', false) ):
+if ( !class_exists('PluginInfo_2_1', false) ):
 
 /**
  * A container class for holding and transforming various plugin metadata.
  * 
  * @author Janis Elsts
  * @copyright 2015
- * @version 2.0
+ * @version 2.1
  * @access public
  */
-class PluginInfo_2_0 {
+class PluginInfo_2_1 {
 	//Most fields map directly to the contents of the plugin's info.json file.
 	//See the relevant docs for a description of their meaning.  
 	public $name;
@@ -985,17 +985,17 @@ public function toWpFormat(){
 	
 endif;
 
-if ( !class_exists('PluginUpdate_2_0', false) ):
+if ( !class_exists('PluginUpdate_2_1', false) ):
 
 /**
  * A simple container class for holding information about an available update.
  * 
  * @author Janis Elsts
  * @copyright 2015
- * @version 2.0
+ * @version 2.1
  * @access public
  */
-class PluginUpdate_2_0 {
+class PluginUpdate_2_1 {
 	public $id = 0;
 	public $slug;
 	public $version;
@@ -1017,7 +1017,7 @@ public static function fromJson($json, $triggerErrors = false){
 		//Since update-related information is simply a subset of the full plugin info,
 		//we can parse the update JSON as if it was a plugin info string, then copy over
 		//the parts that we care about.
-		$pluginInfo = PluginInfo_2_0::fromJson($json, $triggerErrors);
+		$pluginInfo = PluginInfo_2_1::fromJson($json, $triggerErrors);
 		if ( $pluginInfo != null ) {
 			return self::fromPluginInfo($pluginInfo);
 		} else {
@@ -1193,23 +1193,23 @@ public static function addVersion($generalClass, $versionedClass, $version) {
 require_once(dirname(__FILE__) . '/github-checker.php');
 
 //Register classes defined in this file with the factory.
-PucFactory::addVersion('PluginUpdateChecker', 'PluginUpdateChecker_2_0', '2.0');
-PucFactory::addVersion('PluginUpdate', 'PluginUpdate_2_0', '2.0');
-PucFactory::addVersion('PluginInfo', 'PluginInfo_2_0', '2.0');
-PucFactory::addVersion('PucGitHubChecker', 'PucGitHubChecker_2_0', '2.0');
+PucFactory::addVersion('PluginUpdateChecker', 'PluginUpdateChecker_2_1', '2.1');
+PucFactory::addVersion('PluginUpdate', 'PluginUpdate_2_1', '2.1');
+PucFactory::addVersion('PluginInfo', 'PluginInfo_2_1', '2.1');
+PucFactory::addVersion('PucGitHubChecker', 'PucGitHubChecker_2_1', '2.1');
 
 /**
  * Create non-versioned variants of the update checker classes. This allows for backwards
  * compatibility with versions that did not use a factory, and it simplifies doc-comments.
  */
 if ( !class_exists('PluginUpdateChecker', false) ) {
-	class PluginUpdateChecker extends PluginUpdateChecker_2_0 { }
+	class PluginUpdateChecker extends PluginUpdateChecker_2_1 { }
 }
 
 if ( !class_exists('PluginUpdate', false) ) {
-	class PluginUpdate extends PluginUpdate_2_0 {}
+	class PluginUpdate extends PluginUpdate_2_1 {}
 }
 
 if ( !class_exists('PluginInfo', false) ) {
-	class PluginInfo extends PluginInfo_2_0 {}
+	class PluginInfo extends PluginInfo_2_1 {}
 }