diff --git a/src/main/resources/changelog.txt b/src/main/resources/changelog.txt
index ba0e4f8..c438b90 100644
--- a/src/main/resources/changelog.txt
+++ b/src/main/resources/changelog.txt
@@ -1,6 +1,11 @@
 Spring Data LDAP Changelog
 ==========================
 
+Changes in version 2.3.1.RELEASE (2020-06-10)
+---------------------------------------------
+* DATALDAP-158 - Release 2.3.1 (Neumann SR1).
+
+
 Changes in version 2.2.8.RELEASE (2020-06-10)
 ---------------------------------------------
 * DATALDAP-156 - Upgrade to Spring Ldap 2.3.3.
@@ -566,3 +571,4 @@ Changes in version 1.0.0.M1 (2016-11-11)
 
 
 
+