diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55803372..992c8a37 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@
 cmake_minimum_required(VERSION 3.8.0)
 cmake_policy(SET CMP0063 OLD)
 
-project(libkqueue VERSION 2.3.0 LANGUAGES C)
+project(libkqueue VERSION 2.3.1 LANGUAGES C)
 enable_testing()
 
 set(CMAKE_C_VISIBILITY_PRESET hidden)
diff --git a/ChangeLog b/ChangeLog
index 274b659f..daabe61d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2019-02-06  v2.3.1
+------------------------------------------------------------------------
+
+  * Support more knote flags
+    (Credit: Dmitry Selyutin, PR #49)
+
+  * Debian packaging updates
+    (Credit: Matthew Newton)
+
 2018-11-25  v2.3.0 
 ------------------------------------------------------------------------