diff --git a/src/main/resources/changelog.txt b/src/main/resources/changelog.txt
index 55e9b61..b4e0f32 100644
--- a/src/main/resources/changelog.txt
+++ b/src/main/resources/changelog.txt
@@ -1,6 +1,12 @@
 Spring Data LDAP Changelog
 ==========================
 
+Changes in version 2.4.0-M1 (2020-06-25)
+----------------------------------------
+* DATALDAP-160 - Use standard Spring code of conduct.
+* DATALDAP-159 - Release 2.4 M1 (2020.0.0).
+
+
 Changes in version 2.3.1.RELEASE (2020-06-10)
 ---------------------------------------------
 * DATALDAP-158 - Release 2.3.1 (Neumann SR1).
@@ -564,3 +570,4 @@ Changes in version 1.0.0.M1 (2016-11-11)
 
 
 
+