diff --git a/ChangeLog b/ChangeLog
index 61aa268..65f9beb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,13 @@
-2017-08-08         [RELEASE] Release of master 4.0.0 (Nicole Cordes)
+2017-09-20         [RELEASE] Release of multicolumn 4.0.1 (Nicole Cordes)
+2017-05-15 ddd64f6 [BUGFIX] Remove deprecated function ExtensionManagementUtility::extRelPath (Nicole Cordes)
+2017-05-15 175d964 [BUGFIX] Remove unused constant PATH_tx_multicolumn_rel (Nicole Cordes)
+2017-05-15 148e2a6 [TASK] Use new database abstraction in functional tests (Nicole Cordes)
+2017-05-15 f61bce7 [TASK] Raise nimut/testing-framework dependency (Nicole Cordes)
+2017-09-02 9c4e332 [TASK] Exclude composer.lock file in .gitignore (Nicole Cordes)
+2017-09-02 b14cc3c [TASK] Exclude .Build folder in .gitignore (Nicole Cordes)
+2017-08-09 484dd3a [BUGFIX] Resolve page id in FlexForm items provider (Nicole Cordes)
+
+2017-08-08         [RELEASE] Release of multicolumn 4.0.0 (Nicole Cordes)
 2017-08-08 1e7ba94 [BUGFIX] Show restricted records in backend page module (Nicole Cordes)
 2017-08-08 0d77ae3 [TASK] Prevent $_EXTKEY usage (Nicole Cordes)
 2017-08-08 3593599 [TASK] Add and streamline header comments (Nicole Cordes)
@@ -6,7 +15,7 @@
 2017-08-08 37fd6ea [TASK] Change namespace according to package name (Nicole Cordes)
 2017-08-08 c5ecb4a [TASK] refactor content wizard include (#37) (Kjeld Schumacher)
 
-2017-04-19         [RELEASE] Release of master 3.2.3 (Nicole Cordes)
+2017-04-19         [RELEASE] Release of multicolumn 3.2.3 (Nicole Cordes)
 2017-04-19 08c3151 [BUGFIX] Remove file reference prefix in hook registrations (Nicole Cordes)
 2017-04-18 897f2df [BUGFIX] Remove ItemProvider from linting with lower PHP versions (Nicole Cordes)
 2017-04-18 fa18bfb [TASK] Modify PasteTest to respect new ContextMenu API (Nicole Cordes)
diff --git a/ext_emconf.php b/ext_emconf.php
index 638313a..d42f8be 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -3,7 +3,7 @@
 /***************************************************************
  * Extension Manager/Repository config file for ext "multicolumn".
  *
- * Auto generated 08-08-2017 16:23
+ * Auto generated 20-09-2017 10:24
  *
  * Manual updates:
  * Only the data in the array - everything else is removed by next
@@ -14,7 +14,7 @@
   'title' => 'multicolumn',
   'description' => 'The Multicolumn extension expands TYPO3 with a new content element called Multicolumn. With the Multicolumn content element it has never been easier to do multicolumn layouts with TYPO3',
   'category' => 'fe',
-  'version' => '4.0.0',
+  'version' => '4.0.1',
   'state' => 'stable',
   'uploadfolder' => 0,
   'createDirs' => '',
@@ -35,6 +35,6 @@
     array (
     ),
   ),
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 );