diff --git a/ChangeLog.md b/ChangeLog.md
index 84c3c02..e35766e 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,7 +3,11 @@
 This document describes notable changes. For details, see the [source code
 repository history](https://github.com/ddclient/ddclient/commits/master).
 
-## 20XX-XX-XX v3.11.0_2
+## 20XX-XX-XX v3.11.1 (WIP)
+
+## 2023-10-21 v3.11.0
+This version is the same as v3.11.0_1 (except for the updated version number in the code).
+Refer to [v3.11 release plan discussions](https://github.com/ddclient/ddclient/issues/552) for the reasons.
 
 ## 2023-10-15 v3.11.0_1
 
diff --git a/configure.ac b/configure.ac
index c443f05..53dc3b8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.63])
-AC_INIT([ddclient], [3.11.0_2])
+AC_INIT([ddclient], [3.11.0])
 AC_CONFIG_SRCDIR([ddclient.in])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])