diff --git a/system/config/constants.php b/system/config/constants.php
index 2b370a0952..368a65a34b 100644
--- a/system/config/constants.php
+++ b/system/config/constants.php
@@ -15,7 +15,7 @@
  * Core version
  */
 define('VERSION', '3.4');
-define('BUILD', '0-beta1');
+define('BUILD', '0-RC1');
 define('LONG_TERM_SUPPORT', false);
 
 
diff --git a/system/docs/CHANGELOG.md b/system/docs/CHANGELOG.md
index 43123bc06c..4df1f07638 100644
--- a/system/docs/CHANGELOG.md
+++ b/system/docs/CHANGELOG.md
@@ -1,7 +1,7 @@
 Contao Open Source CMS changelog
 ================================
 
-Version 3.4.0-RC1 (2014-XX-XX)
+Version 3.4.0-RC1 (2014-10-31)
 ------------------------------
 
 ### New
diff --git a/system/modules/repository/classes/RepositorySettings.php b/system/modules/repository/classes/RepositorySettings.php
index 6447de3d85..61cfb14743 100644
--- a/system/modules/repository/classes/RepositorySettings.php
+++ b/system/modules/repository/classes/RepositorySettings.php
@@ -17,6 +17,7 @@
 
 // valid core versions in descending order
 define('REPOSITORY_COREVERSIONS',
+		'30040006,30040006;'.	// 3.4.0-RC1
 		'30040003,30040003;'.	// 3.4.0-beta1
 		'30030069,30030069;'.	// 3.3.6
 		'30030059,30030059;'.	// 3.3.5