diff --git a/CMakeLists.txt b/CMakeLists.txt
index 08cd557d..d8d33c16 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,9 +11,9 @@ PROJECT(SimpleAmqpClient)
 # 3. If any interfaces have been added since the last public release, then increment age.
 # 4. If any interfaces have been removed since the last public release, then set age to 0.
 
-set(SAC_SOVERSION_CURRENT   5)
+set(SAC_SOVERSION_CURRENT   6)
 set(SAC_SOVERSION_REVISION  0)
-set(SAC_SOVERSION_AGE       3)
+set(SAC_SOVERSION_AGE       4)
 
 math(EXPR SAC_SOVERSION_MAJOR "${SAC_SOVERSION_CURRENT} - ${SAC_SOVERSION_AGE}")
 math(EXPR SAC_SOVERSION_MINOR "${SAC_SOVERSION_AGE}")
diff --git a/ChangeLog.md b/ChangeLog.md
index 250fe3b0..5b79101f 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,15 @@
+Changes since v2.3 (v2.4):
+- Add support for consumer cancellation notification (5d35698)
+- Improvements in extra-frame bookkeeping reducing memory useage under certain
+  conditions (e9de652, f4980bc)
+- API support for waiting for multiple consumers at a time (e7e701a)
+- Add version header (0fc6cab)
+- Add pkg-config on install (a13c99a)
+- Add DeclareQueueWithCounts API (Kai Blaschke 7fbcd96)
+- Support for C++11 (Alexandre Jacquin 57a8d85)
+- Add BasicReject API (Luca Marturana 0c9478e)
+- Upgrade gtest to v1.7.0 (8fe82fd)
+
 Changes since v2.2 (v2.3):
 NOTE: this release uses new rabbitmq-c interfaces introduced in v0.4.0, thus
 requires rabbitmq-c v0.4.0 or later.
diff --git a/README.md b/README.md
index 4c2496d7..d13c58db 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Known to work in the following environments:
 
 ### Pre-requisites
 +  [boost-1.47.0](http://www.boost.org/) or newer (uses chrono, system internally in addition to other header based libraries such as sharedptr and noncopyable)
-+  [rabbitmq-c](http://github.com/alanxz/rabbitmq-c) you'll need version 0.4.0 or better.
++  [rabbitmq-c](http://github.com/alanxz/rabbitmq-c) you'll need version 0.4.1 or better.
 +  [cmake 2.8+](http://www.cmake.org/) what is needed for the build system
 +  [Doxygen](http://www.stack.nl/~dimitri/doxygen/) OPTIONAL only necessary to generate API documentation