diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3487280..4ee162dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
-CMAKE_MINIMUM_REQUIRED (VERSION 2.6.4)
+CMAKE_MINIMUM_REQUIRED (VERSION 2.8.6)
 PROJECT (msgpack)
 
-SET (VERSION 0.5.8)
+SET (VERSION 0.5.9)
 SET (VERSION_MAJOR 0)
 SET (VERSION_MINOR 5)
 
diff --git a/ChangeLog b/ChangeLog
index f495ba92..3e5a5945 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2014-07-02 version 0.5.9:
+
+  * Support std::tr1 unordered containers by default (#51, #63, #68, #69)
+  * Remove some warnings (#56)
+  * Fix segmentation fault after malloc failures (#58, #59)
+  * Fix alloc/dealloc mismatch (#52, #61)
+  * Fix sample codes (#60, #64)
+  * Support implicit conversion from integer to float/double (#54)
+  * Improve documents (#45, #75, #82, #83)
+  * Support CMake (#20, #87)
+  * Remove Ruby dependencies in bootstrap (#86, #87)
+  * Add FILE* buffer (#40)
+  * Other bug fixes and refactoring: #39, #73, #77, #79, #80, #81, #84, #90
+
 2013-12-23 version 0.5.8:
 
   * Move to the new github repository msgpack/msgpack-c
diff --git a/README.md b/README.md
index 6d40cb2e..8799052a 100644
--- a/README.md
+++ b/README.md
@@ -55,9 +55,9 @@ $ make
 On typical UNIX-like platforms, download source package from [Releases](https://github.com/msgpack/msgpack-c/releases) and run `./configure && make && make install`. Example:
 
 ```
-$ wget https://github.com/msgpack/msgpack-c/releases/download/cpp-0.5.8/msgpack-0.5.8.tar.gz
-$ tar zxvf msgpack-0.5.8.tar.gz
-$ cd msgpack-0.5.8
+$ wget https://github.com/msgpack/msgpack-c/releases/download/cpp-0.5.9/msgpack-0.5.9.tar.gz
+$ tar zxvf msgpack-0.5.9.tar.gz
+$ cd msgpack-0.5.9
 $ ./configure
 $ make
 $ sudo make install
diff --git a/configure.in b/configure.in
index ea9159f6..b22714a8 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 AC_INIT(src/object.cpp)
 AC_CONFIG_AUX_DIR(ac)
-AM_INIT_AUTOMAKE(msgpack, 0.5.8)
+AM_INIT_AUTOMAKE(msgpack, 0.5.9)
 AC_CONFIG_HEADER(config.h)
 
 AC_SUBST(CFLAGS)