diff --git a/ChangeLog.md b/ChangeLog.md
index 2981f10..26d50d5 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,6 +3,17 @@ Change Log
 
 All notable changes to the project are documented in this file.
 
+
+[v2.4.0][UNRELEASED]
+--------------------
+
+Please note, this release is a major ABI bump due to change in the
+`uev_t` which requires recompiling all programs that use libuEv.
+
+### Changes
+- Add `struct signalfd_siginfo` to `uev_t`, valid for signal watchers
+
+
 [v2.3.2][] - 2021-02-12
 -----------------------
 
diff --git a/debian/changelog b/debian/changelog
index bf48174..9f3342b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+libuev (2.4.0) unstable; urgency=medium
+
+  * Add 'struct signalfd_siginfo' to uev_t, valid for signal watchers
+
+ -- Joachim Wiberg <troglobit@gmail.com>  Wed, 26 May 2021 23:03:02 +0200
+
 libuev (2.3.2) stable; urgency=low
 
   * Copyright updates, including LICENSE file, year + author last name