diff --git a/composer.json b/composer.json
index cc00a4dbf..409ce8a38 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "sebastian/version": ">=1.0.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "4.0.*@dev",
+        "phpunit/phpunit": "4.1.*@dev",
         "ext-xdebug": ">=2.1.4"
     },
     "suggest": {
diff --git a/src/CodeCoverage/Report/HTML/Renderer.php b/src/CodeCoverage/Report/HTML/Renderer.php
index 90f8aa4cb..6f0876c8a 100644
--- a/src/CodeCoverage/Report/HTML/Renderer.php
+++ b/src/CodeCoverage/Report/HTML/Renderer.php
@@ -99,7 +99,7 @@ abstract class PHP_CodeCoverage_Report_HTML_Renderer
      */
     public function __construct($templatePath, $generator, $date, $lowUpperBound, $highLowerBound)
     {
-        $version = new SebastianBergmann\Version('2.0', __DIR__);
+        $version = new SebastianBergmann\Version('2.1', __DIR__);
 
         $this->templatePath   = $templatePath;
         $this->generator      = $generator;