diff --git a/composer.json b/composer.json
index 43a82d1..4d28b02 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "imgix/imgix-php",
   "description": "A PHP client library for generating URLs with imgix.",
   "type": "library",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "keywords": [
     "imgix"
   ],
diff --git a/src/Imgix/UrlBuilder.php b/src/Imgix/UrlBuilder.php
index d6c116c..68fb550 100644
--- a/src/Imgix/UrlBuilder.php
+++ b/src/Imgix/UrlBuilder.php
@@ -4,7 +4,7 @@
 
 class UrlBuilder {
 
-    private $currentVersion = "2.0.0";
+    private $currentVersion = "2.1.0";
     private $domains;
     private $useHttps;
     private $signKey;