diff --git a/CHANGELOG.md b/CHANGELOG.md
index f593f67d..15a2c7a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# 2017-08-03 version 2.1.4
+  * Add boost asio examples (including zlib) (#610)
+  * Remove some warnings (#611)
+  * Fix unpack visitor to treat float32/64 correctly (#613)
+  * Improve documents (#616)
+  * Fix alignment problem on some platform (#617, #518)
+  * Fix conflict std::tuple, std::pair, and boost::fusion::sequence problem (#619)
+
 # 2017-06-15 version 2.1.3
   * Improve build system (#603)
   * Add C++17 adaptors `std::optional` and `std::string_view`. (#607, #608)
diff --git a/appveyor.yml b/appveyor.yml
index ea679767..2023ec10 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 2.1.3.{build}
+version: 2.1.4.{build}
 
 image:
 - Visual Studio 2015
diff --git a/include/msgpack/version_master.h b/include/msgpack/version_master.h
index 1ebe0953..1b8f6049 100644
--- a/include/msgpack/version_master.h
+++ b/include/msgpack/version_master.h
@@ -1,3 +1,3 @@
 #define MSGPACK_VERSION_MAJOR    2
 #define MSGPACK_VERSION_MINOR    1
-#define MSGPACK_VERSION_REVISION 3
+#define MSGPACK_VERSION_REVISION 4