diff --git a/src/main/resources/changelog.txt b/src/main/resources/changelog.txt
index 51362035..fd6ca867 100644
--- a/src/main/resources/changelog.txt
+++ b/src/main/resources/changelog.txt
@@ -1,6 +1,13 @@
 Spring Data Couchbase Changelog
 ===============================
 
+Changes in version 4.2.0-M1 (2020-12-09)
+----------------------------------------
+* DATACOUCH-650 - Implement CrudRepository.delete(Iterable<ID> ids).
+* DATACOUCH-641 - Enable Maven caching for Jenkins jobs.
+* DATACOUCH-640 - Release 4.2 M1 (2021.0.0).
+
+
 Changes in version 4.0.6.RELEASE (2020-12-09)
 ---------------------------------------------
 * DATACOUCH-641 - Enable Maven caching for Jenkins jobs.
@@ -1262,5 +1269,6 @@ Release Notes - Spring Data Couchbase - Version 1.0 M1 - 2013-09-11
 
 
 
+