diff --git a/core/Version.php b/core/Version.php
index 39c36e5d263df595646c01b9d1d868de0d95b2c7..423684559db28429f556d01c21aa58f9eac5a7d0 100644
--- a/core/Version.php
+++ b/core/Version.php
@@ -21,5 +21,5 @@ final class Version
      * The current Piwik version.
      * @var string
      */
-    const VERSION = '2.1-rc3';
+    const VERSION = '2.1-rc4';
 }